diff --git a/extensions/google-meet/index.create.test.ts b/extensions/google-meet/index.create.test.ts
index 53c1811c8cd5..1f5568546056 100644
--- a/extensions/google-meet/index.create.test.ts
+++ b/extensions/google-meet/index.create.test.ts
@@ -595,6 +595,16 @@ describe("google-meet create flow", () => {
           if (proxy.path === "/tabs/focus") {
             return { payload: { result: { ok: true } } };
           }
+          if (proxy.path === "/navigate") {
+            return {
+              payload: {
+                result: {
+                  targetId: "navigated-create-tab",
+                  url: "https://meet.google.com/new?hl=en",
+                },
+              },
+            };
+          }
           if (proxy.path === "/act") {
             return {
               payload: {
@@ -629,7 +639,7 @@ describe("google-meet create flow", () => {
     expect(payload.meetingUri).toBe("https://meet.google.com/reu-sedx-tab");
     const browser = requireRecord(payload.browser, "browser payload");
     expect(browser.nodeId).toBe("node-1");
-    expect(browser.targetId).toBe("existing-create-tab");
+    expect(browser.targetId).toBe("navigated-create-tab");
     findNodeInvokeParams(nodesInvoke, "focus existing tab", (params) => {
       if (!params.params || typeof params.params !== "object") {
         return false;
@@ -641,6 +651,32 @@ describe("google-meet create flow", () => {
       const body = proxy.body as Record<string, unknown>;
       return proxy.path === "/tabs/focus" && body.targetId === "existing-create-tab";
     });
+    findNodeInvokeParams(nodesInvoke, "navigate reused tab to English UI", (params) => {
+      if (!params.params || typeof params.params !== "object") {
+        return false;
+      }
+      const proxy = params.params as Record<string, unknown>;
+      if (!proxy.body || typeof proxy.body !== "object") {
+        return false;
+      }
+      const body = proxy.body as Record<string, unknown>;
+      return (
+        proxy.path === "/navigate" &&
+        body.targetId === "existing-create-tab" &&
+        body.url === "https://meet.google.com/new?hl=en"
+      );
+    });
+    findNodeInvokeParams(nodesInvoke, "act uses navigated target id", (params) => {
+      if (!params.params || typeof params.params !== "object") {
+        return false;
+      }
+      const proxy = params.params as Record<string, unknown>;
+      if (!proxy.body || typeof proxy.body !== "object") {
+        return false;
+      }
+      const body = proxy.body as Record<string, unknown>;
+      return proxy.path === "/act" && body.targetId === "navigated-create-tab";
+    });
     const openedCreateTab = mockCalls(nodesInvoke, "nodes invoke").some(([value]) => {
       if (!value || typeof value !== "object") {
         return false;
@@ -655,6 +691,76 @@ describe("google-meet create flow", () => {
     expect(openedCreateTab).toBe(false);
   });
 
+  it("does not navigate a reused tab that is already using English UI", async () => {
+    const { methods, nodesInvoke } = setup(
+      {
+        defaultTransport: "chrome-node",
+        chromeNode: { node: "parallels-macos" },
+      },
+      {
+        nodesInvokeHandler: async (params) => {
+          const proxy = params.params as { path?: string; body?: { targetId?: string } };
+          if (proxy.path === "/tabs") {
+            return {
+              payload: {
+                result: {
+                  tabs: [
+                    {
+                      targetId: "english-create-tab",
+                      title: "Meet",
+                      url: "https://meet.google.com/new?hl=en",
+                    },
+                  ],
+                },
+              },
+            };
+          }
+          if (proxy.path === "/tabs/focus") {
+            return { payload: { result: { ok: true } } };
+          }
+          if (proxy.path === "/act") {
+            return {
+              payload: {
+                result: {
+                  ok: true,
+                  targetId: proxy.body?.targetId ?? "english-create-tab",
+                  result: {
+                    meetingUri: "https://meet.google.com/eng-lish-tab",
+                    browserUrl: "https://meet.google.com/eng-lish-tab",
+                    browserTitle: "Meet",
+                  },
+                },
+              },
+            };
+          }
+          throw new Error(`unexpected browser proxy path ${proxy.path}`);
+        },
+      },
+    );
+    const handler = methods.get("googlemeet.create") as
+      | ((ctx: {
+          params: Record<string, unknown>;
+          respond: ReturnType<typeof vi.fn>;
+        }) => Promise<void>)
+      | undefined;
+    const respond = vi.fn();
+
+    await handler?.({ params: { join: false }, respond });
+
+    const navigated = mockCalls(nodesInvoke, "nodes invoke").some(([value]) => {
+      if (!value || typeof value !== "object") {
+        return false;
+      }
+      const params = value as Record<string, unknown>;
+      if (!params.params || typeof params.params !== "object") {
+        return false;
+      }
+      const proxy = params.params as Record<string, unknown>;
+      return proxy.path === "/navigate";
+    });
+    expect(navigated).toBe(false);
+  });
+
   it.each([
     ["Use microphone", "Accepted Meet microphone prompt with browser automation."],
     [
diff --git a/extensions/google-meet/index.test.ts b/extensions/google-meet/index.test.ts
index 0229035b8516..8fd11414ef8e 100644
--- a/extensions/google-meet/index.test.ts
+++ b/extensions/google-meet/index.test.ts
@@ -288,6 +288,12 @@ function mockLocalMeetBrowserRequest(
       if (request.path === "/tabs/focus") {
         return { ok: true };
       }
+      if (request.path === "/navigate") {
+        return {
+          targetId: request.body?.targetId ?? "local-meet-tab",
+          url: request.body?.url ?? "https://meet.google.com/abc-defg-hij",
+        };
+      }
       if (request.path === "/permissions/grant") {
         return {
           ok: true,
@@ -2744,7 +2750,7 @@ describe("google-meet plugin", () => {
                   {
                     targetId: "local-meet-tab",
                     title: "Meet",
-                    url: "https://meet.google.com/abc-defg-hij",
+                    url: "https://meet.google.com/abc-defg-hij?hl=en",
                   },
                 ],
               }
@@ -2755,12 +2761,18 @@ describe("google-meet plugin", () => {
           return {
             targetId: "local-meet-tab",
             title: "Meet",
-            url: request.body?.url ?? "https://meet.google.com/abc-defg-hij",
+            url: request.body?.url ?? "https://meet.google.com/abc-defg-hij?hl=en",
           };
         }
         if (request.path === "/tabs/focus") {
           return { ok: true };
         }
+        if (request.path === "/navigate") {
+          return {
+            targetId: request.body?.targetId ?? "local-meet-tab",
+            url: request.body?.url ?? "https://meet.google.com/abc-defg-hij?hl=en",
+          };
+        }
         if (request.path === "/act") {
           actCount += 1;
           return {
@@ -2863,7 +2875,7 @@ describe("google-meet plugin", () => {
                           {
                             targetId: "tab-1",
                             title: "Meet",
-                            url: "https://meet.google.com/abc-defg-hij",
+                            url: "https://meet.google.com/abc-defg-hij?hl=en",
                           },
                         ]
                       : [],
@@ -2878,7 +2890,7 @@ describe("google-meet plugin", () => {
                   result: {
                     targetId: "tab-1",
                     title: "Meet",
-                    url: raw.body?.url ?? "https://meet.google.com/abc-defg-hij",
+                    url: raw.body?.url ?? "https://meet.google.com/abc-defg-hij?hl=en",
                   },
                 },
               };
@@ -2886,6 +2898,16 @@ describe("google-meet plugin", () => {
             if (raw.path === "/tabs/focus" || raw.path === "/permissions/grant") {
               return { payload: { result: { ok: true } } };
             }
+            if (raw.path === "/navigate") {
+              return {
+                payload: {
+                  result: {
+                    targetId: raw.body?.targetId ?? "tab-1",
+                    url: raw.body?.url ?? "https://meet.google.com/abc-defg-hij?hl=en",
+                  },
+                },
+              };
+            }
             if (raw.path === "/act") {
               return {
                 payload: {
@@ -3074,6 +3096,53 @@ describe("google-meet plugin", () => {
     expect(result.manualActionMessage).toContain("Allow microphone/camera/speaker permissions");
   });
 
+  it("does not auto-join when Meet is already active elsewhere", async () => {
+    const joinElsewhere = {
+      disabled: false,
+      innerText: "Join here too",
+      textContent: "Join here too",
+      click: vi.fn(),
+      getAttribute: vi.fn(() => null),
+    };
+    const document = {
+      body: { innerText: "", textContent: "" },
+      title: "Meet",
+      querySelector: vi.fn(() => null),
+      querySelectorAll: vi.fn((selector: string) => {
+        if (selector === "button") {
+          return [joinElsewhere];
+        }
+        return [];
+      }),
+    };
+    const context = createContext({
+      JSON,
+      document,
+      location: {
+        href: "https://meet.google.com/abc-defg-hij?hl=en",
+        hostname: "meet.google.com",
+      },
+      window: {},
+    });
+    const inspect = new Script(
+      `(${chromeTransportTesting.meetStatusScriptForTest({
+        allowMicrophone: false,
+        autoJoin: true,
+        captureCaptions: false,
+        guestName: "OpenClaw Agent",
+      })})`,
+    ).runInContext(context) as () => string | Promise<string>;
+
+    const result = JSON.parse(await inspect()) as {
+      clickedJoin?: boolean;
+      manualActionReason?: string;
+    };
+
+    expect(result.clickedJoin).toBe(false);
+    expect(result.manualActionReason).toBe("meet-session-conflict");
+    expect(joinElsewhere.click).not.toHaveBeenCalled();
+  });
+
   it("uses the local Meet microphone control instead of remote participant mute buttons", async () => {
     const makeButton = (label: string, disabled = false) => ({
       disabled,
@@ -3392,7 +3461,7 @@ describe("google-meet plugin", () => {
     expect(session.notes).toContain("Reused existing active Meet session.");
   });
 
-  it("reuses existing Meet browser tabs across URL query differences", async () => {
+  it("opens an English replacement without touching an ambiguous matching tab", async () => {
     const { methods, nodesInvoke } = setup(
       {
         defaultTransport: "chrome-node",
@@ -3413,6 +3482,11 @@ describe("google-meet plugin", () => {
                 result: {
                   running: true,
                   tabs: [
+                    {
+                      targetId: "wrong-account-english-tab",
+                      title: "Meet",
+                      url: "https://meet.google.com/abc-defg-hij?authuser=other%40example.com&hl=en",
+                    },
                     {
                       targetId: "existing-meet-tab",
                       title: "Meet",
@@ -3423,6 +3497,133 @@ describe("google-meet plugin", () => {
               },
             };
           }
+          if (proxy.path === "/tabs/open") {
+            return {
+              payload: {
+                result: {
+                  targetId: "english-meet-tab",
+                  url: "https://meet.google.com/abc-defg-hij?authuser=me%40example.com&hl=en",
+                },
+              },
+            };
+          }
+          if (proxy.path === "/permissions/grant") {
+            return { payload: { result: { ok: true } } };
+          }
+          if (proxy.path === "/act") {
+            return {
+              payload: {
+                result: {
+                  result: JSON.stringify({
+                    inCall: true,
+                    title: "Meet",
+                    url: "https://meet.google.com/abc-defg-hij?authuser=me%40example.com&hl=en",
+                  }),
+                },
+              },
+            };
+          }
+          throw new Error(`unexpected browser proxy path ${proxy.path}`);
+        },
+      },
+    );
+    const handler = methods.get("googlemeet.join") as
+      | ((ctx: {
+          params: Record<string, unknown>;
+          respond: ReturnType<typeof vi.fn>;
+        }) => Promise<void>)
+      | undefined;
+    const respond = vi.fn();
+
+    await handler?.({
+      params: { url: "https://meet.google.com/abc-defg-hij?authuser=me@example.com" },
+      respond,
+    });
+
+    const openCall = nodesInvoke.mock.calls.find(([rawCall]) => {
+      const call = requireRecord(rawCall, "node invoke");
+      const params = requireRecord(call.params, "node invoke params");
+      return params.path === "/tabs/open";
+    });
+    if (!openCall) {
+      throw new Error("Expected browser.proxy /tabs/open node invoke");
+    }
+    expect(
+      requireRecord(requireRecord(openCall[0], "open node invoke").params, "open params"),
+    ).toEqual({
+      method: "POST",
+      path: "/tabs/open",
+      timeoutMs: 30000,
+      body: {
+        url: "https://meet.google.com/abc-defg-hij?authuser=me%40example.com&hl=en",
+      },
+    });
+    expect(
+      nodesInvoke.mock.calls.some(([rawCall]) => {
+        const call = requireRecord(rawCall, "node invoke");
+        const params = requireRecord(call.params, "node invoke params");
+        return params.path === "/tabs/focus" || params.path === "/navigate";
+      }),
+    ).toBe(false);
+    const actCalls = nodesInvoke.mock.calls.filter(([rawCall]) => {
+      const call = requireRecord(rawCall, "node invoke");
+      const params = requireRecord(call.params, "node invoke params");
+      return params.path === "/act";
+    });
+    expect(actCalls.length).toBeGreaterThanOrEqual(1);
+    const englishTabActCall = actCalls.find(([rawCall]) => {
+      const call = requireRecord(rawCall, "node invoke");
+      const params = requireRecord(call.params, "node invoke params");
+      return requireRecord(params.body, "act body").targetId === "english-meet-tab";
+    });
+    if (!englishTabActCall) {
+      throw new Error("Expected browser.proxy /act on the English replacement tab");
+    }
+    expect(
+      requireRecord(requireRecord(englishTabActCall[0], "act node invoke").params, "act params"),
+    ).toEqual({
+      method: "POST",
+      path: "/act",
+      timeoutMs: 10000,
+      body: {
+        kind: "evaluate",
+        targetId: "english-meet-tab",
+        fn: expect.any(String),
+      },
+    });
+  });
+
+  it("does not navigate a reused join tab that is already using English UI", async () => {
+    const { methods, nodesInvoke } = setup(
+      {
+        defaultTransport: "chrome-node",
+        defaultMode: "transcribe",
+      },
+      {
+        nodesInvokeHandler: async (params) => {
+          if (params.command !== "browser.proxy") {
+            return { payload: { launched: true } };
+          }
+          const proxy = params.params as {
+            path?: string;
+            body?: { targetId?: string; url?: string };
+          };
+          if (proxy.path === "/tabs") {
+            return {
+              payload: {
+                result: {
+                  running: true,
+                  tabs: [
+                    {
+                      targetId: "english-meet-tab",
+                      title: "Meet",
+                      url: "https://meet.google.com/abc-defg-hij?hl=en",
+                    },
+                  ],
+                },
+              },
+            };
+          }
           if (proxy.path === "/tabs/focus") {
             return { payload: { result: { ok: true } } };
           }
@@ -3433,7 +3634,7 @@ describe("google-meet plugin", () => {
                   result: JSON.stringify({
                     inCall: true,
                     title: "Meet",
-                    url: "https://meet.google.com/abc-defg-hij?authuser=me@example.com",
+                    url: "https://meet.google.com/abc-defg-hij?hl=en",
                   }),
                 },
               },
@@ -3456,22 +3657,12 @@ describe("google-meet plugin", () => {
       respond,
     });
 
-    const focusCall = nodesInvoke.mock.calls.find(([rawCall]) => {
-      const call = requireRecord(rawCall, "node invoke");
-      const params = requireRecord(call.params, "node invoke params");
-      return params.path === "/tabs/focus";
-    });
-    if (!focusCall) {
-      throw new Error("Expected browser.proxy /tabs/focus node invoke");
-    }
     expect(
-      requireRecord(requireRecord(focusCall[0], "focus node invoke").params, "focus params"),
-    ).toEqual({
-      method: "POST",
-      path: "/tabs/focus",
-      timeoutMs: 5000,
-      body: { targetId: "existing-meet-tab" },
-    });
+      nodesInvoke.mock.calls.some(([rawCall]) => {
+        const call = requireRecord(rawCall, "node invoke");
+        return requireRecord(call.params, "node invoke params").path === "/navigate";
+      }),
+    ).toBe(false);
     expect(
       nodesInvoke.mock.calls.some(([rawCall]) => {
         const call = requireRecord(rawCall, "node invoke");
@@ -3480,7 +3671,7 @@ describe("google-meet plugin", () => {
     ).toBe(false);
   });
 
-  it("recovers and inspects an existing Meet tab without opening a new one", async () => {
+  it("reports an ambiguous recovered Meet tab without reloading it", async () => {
     const { tools, nodesInvoke } = setup(
       {
         defaultTransport: "chrome-node",
@@ -3509,6 +3700,16 @@ describe("google-meet plugin", () => {
           if (proxy.path === "/tabs/focus") {
             return { payload: { result: { ok: true } } };
           }
+          if (proxy.path === "/navigate") {
+            return {
+              payload: {
+                result: {
+                  targetId: proxy.body?.targetId ?? "existing-meet-tab",
+                  url: "https://meet.google.com/abc-defg-hij?authuser=me%40example.com&hl=en",
+                },
+              },
+            };
+          }
           if (proxy.path === "/act") {
             return {
               payload: {
@@ -3519,7 +3720,7 @@ describe("google-meet plugin", () => {
                     manualActionReason: "meet-admission-required",
                     manualActionMessage: "Admit the OpenClaw browser participant in Google Meet.",
                     title: "Meet",
-                    url: "https://meet.google.com/abc-defg-hij?authuser=me@example.com",
+                    url: "https://meet.google.com/abc-defg-hij?authuser=me%40example.com&hl=en",
                   }),
                 },
               },
@@ -3545,7 +3746,8 @@ describe("google-meet plugin", () => {
     expect(result.details.targetId).toBe("existing-meet-tab");
     const browser = requireRecord(result.details.browser, "recovered browser state");
     expect(browser.manualActionRequired).toBe(true);
-    expect(browser.manualActionReason).toBe("meet-admission-required");
+    expect(browser.manualActionReason).toBe("meet-locale-required");
+    expect(browser.manualActionMessage).toContain("not pinned to English");
     const focusCall = nodesInvoke.mock.calls.find(([rawCall]) => {
       const call = requireRecord(rawCall, "node invoke");
       const params = requireRecord(call.params, "node invoke params");
@@ -3565,12 +3767,160 @@ describe("google-meet plugin", () => {
     expect(
       nodesInvoke.mock.calls.some(([rawCall]) => {
         const call = requireRecord(rawCall, "node invoke");
-        return requireRecord(call.params, "node invoke params").path === "/tabs/open";
+        const requestPath = requireRecord(call.params, "node invoke params").path;
+        return (
+          requestPath === "/tabs/open" || requestPath === "/navigate" || requestPath === "/act"
+        );
       }),
     ).toBe(false);
   });
 
-  it("recovers and inspects an existing local Chrome Meet tab", async () => {
+  it("prefers an English replacement when recovering matching Meet tabs", async () => {
+    const { tools, nodesInvoke } = setup(
+      { defaultTransport: "chrome-node" },
+      {
+        nodesInvokeHandler: async (params) => {
+          if (params.command !== "browser.proxy") {
+            throw new Error(`unexpected command ${params.command}`);
+          }
+          const proxy = params.params as { path?: string; body?: { targetId?: string } };
+          if (proxy.path === "/tabs") {
+            return {
+              payload: {
+                result: {
+                  tabs: [
+                    {
+                      targetId: "wrong-account-english-tab",
+                      title: "Meet",
+                      url: "https://meet.google.com/abc-defg-hij?authuser=other%40example.com&hl=en",
+                    },
+                    {
+                      targetId: "ambiguous-meet-tab",
+                      title: "Meet",
+                      url: "https://meet.google.com/abc-defg-hij?authuser=me%40example.com",
+                    },
+                    {
+                      targetId: "english-meet-tab",
+                      title: "Meet",
+                      url: "https://meet.google.com/abc-defg-hij?authuser=me%40example.com&hl=en",
+                    },
+                  ],
+                },
+              },
+            };
+          }
+          if (proxy.path === "/tabs/focus") {
+            return { payload: { result: { ok: true } } };
+          }
+          if (proxy.path === "/act") {
+            return {
+              payload: {
+                result: {
+                  result: JSON.stringify({
+                    inCall: true,
+                    title: "Meet",
+                    url: "https://meet.google.com/abc-defg-hij?hl=en",
+                  }),
+                },
+              },
+            };
+          }
+          throw new Error(`unexpected browser proxy path ${proxy.path}`);
+        },
+      },
+    );
+    const tool = tools[0] as {
+      execute: (
+        id: string,
+        params: unknown,
+      ) => Promise<{ details: { targetId?: string; browser?: unknown } }>;
+    };
+
+    const result = await tool.execute("id", {
+      action: "recover_current_tab",
+      url: "https://meet.google.com/abc-defg-hij?authuser=me%40example.com",
+      readOnly: true,
+    });
+
+    expect(result.details.targetId).toBe("english-meet-tab");
+    expect(requireRecord(result.details.browser, "recovered browser state").inCall).toBe(true);
+    expect(
+      nodesInvoke.mock.calls.some(([rawCall]) => {
+        const call = requireRecord(rawCall, "node invoke");
+        const params = requireRecord(call.params, "node invoke params");
+        return (
+          params.path === "/tabs/focus" &&
+          requireRecord(params.body, "focus body").targetId === "english-meet-tab"
+        );
+      }),
+    ).toBe(true);
+  });
+
+  it("preserves the Google sign-in diagnostic during tab recovery", async () => {
+    const { tools } = setup(
+      { defaultTransport: "chrome-node" },
+      {
+        nodesInvokeHandler: async (params) => {
+          if (params.command !== "browser.proxy") {
+            throw new Error(`unexpected command ${params.command}`);
+          }
+          const proxy = params.params as { path?: string };
+          if (proxy.path === "/tabs") {
+            return {
+              payload: {
+                result: {
+                  tabs: [
+                    {
+                      targetId: "google-sign-in-tab",
+                      title: "Sign in - Google Accounts - Meet",
+                      url: "https://accounts.google.com/signin",
+                    },
+                    {
+                      targetId: "unrelated-english-meet-tab",
+                      title: "Meet",
+                      url: "https://meet.google.com/xyz-wxyz-xyz?hl=en",
+                    },
+                  ],
+                },
+              },
+            };
+          }
+          if (proxy.path === "/tabs/focus") {
+            return { payload: { result: { ok: true } } };
+          }
+          if (proxy.path === "/act") {
+            return {
+              payload: {
+                result: {
+                  result: JSON.stringify({
+                    inCall: false,
+                    manualActionRequired: true,
+                    manualActionReason: "google-login-required",
+                    manualActionMessage: "Sign in to Google, then retry.",
+                    url: "https://accounts.google.com/signin",
+                  }),
+                },
+              },
+            };
+          }
+          throw new Error(`unexpected browser proxy path ${proxy.path}`);
+        },
+      },
+    );
+    const tool = tools[0] as {
+      execute: (
+        id: string,
+        params: unknown,
+      ) => Promise<{ details: { browser?: unknown; targetId?: string } }>;
+    };
+
+    const result = await tool.execute("id", { action: "recover_current_tab" });
+    const browser = requireRecord(result.details.browser, "recovered browser state");
+    expect(result.details.targetId).toBe("google-sign-in-tab");
+    expect(browser.manualActionReason).toBe("google-login-required");
+  });
+
+  it("reports an ambiguous local Chrome Meet tab without reloading it", async () => {
     const callGatewayFromCli = vi.fn(
       async (
         _method: string,
@@ -3593,6 +3943,12 @@ describe("google-meet plugin", () => {
         if (request.path === "/tabs/focus") {
           return { ok: true };
         }
+        if (request.path === "/navigate") {
+          return {
+            targetId: request.body?.targetId ?? "local-meet-tab",
+            url: "https://meet.google.com/abc-defg-hij?authuser=me%40example.com&hl=en",
+          };
+        }
         if (request.path === "/act") {
           return {
             result: JSON.stringify({
@@ -3601,7 +3957,7 @@ describe("google-meet plugin", () => {
               manualActionReason: "meet-admission-required",
               manualActionMessage: "Admit the OpenClaw browser participant in Google Meet.",
               title: "Meet",
-              url: "https://meet.google.com/abc-defg-hij?authuser=me@example.com",
+              url: "https://meet.google.com/abc-defg-hij?authuser=me%40example.com&hl=en",
             }),
           };
         }
@@ -3634,7 +3990,8 @@ describe("google-meet plugin", () => {
     expect(result.details.targetId).toBe("local-meet-tab");
     const browser = requireRecord(result.details.browser, "recovered browser state");
     expect(browser.manualActionRequired).toBe(true);
-    expect(browser.manualActionReason).toBe("meet-admission-required");
+    expect(browser.manualActionReason).toBe("meet-locale-required");
+    expect(browser.manualActionMessage).toContain("not pinned to English");
     const focusCall = callGatewayFromCli.mock.calls.find(
       (call) => requireRecord(call[2], "browser request").path === "/tabs/focus",
     );
@@ -3646,6 +4003,12 @@ describe("google-meet plugin", () => {
     expect(requireRecord(focusCall[2], "focus request").path).toBe("/tabs/focus");
     expect(requireRecord(focusCall[2], "focus request").query).toBeUndefined();
     expect(focusCall[3]).toEqual({ progress: false });
+    expect(
+      callGatewayFromCli.mock.calls.some((call) => {
+        const requestPath = requireRecord(call[2], "browser request").path;
+        return requestPath === "/navigate" || requestPath === "/act";
+      }),
+    ).toBe(false);
     expect(nodesInvoke).not.toHaveBeenCalled();
   });
 
@@ -3712,7 +4075,7 @@ describe("google-meet plugin", () => {
                     {
                       targetId: "local-meet-tab",
                       title: "Meet",
-                      url: "https://meet.google.com/abc-defg-hij",
+                      url: "https://meet.google.com/abc-defg-hij?hl=en",
                     },
                   ]
                 : [],
@@ -3723,12 +4086,18 @@ describe("google-meet plugin", () => {
             return {
               targetId: "local-meet-tab",
               title: "Meet",
-              url: request.body?.url ?? "https://meet.google.com/abc-defg-hij",
+              url: request.body?.url ?? "https://meet.google.com/abc-defg-hij?hl=en",
             };
           }
           if (request.path === "/tabs/focus" || request.path === "/permissions/grant") {
             return { ok: true };
           }
+          if (request.path === "/navigate") {
+            return {
+              targetId: request.body?.targetId ?? "local-meet-tab",
+              url: request.body?.url ?? "https://meet.google.com/abc-defg-hij?hl=en",
+            };
+          }
           if (request.path === "/act") {
             return { result: JSON.stringify(browserState) };
           }
@@ -4368,7 +4737,7 @@ describe("google-meet plugin", () => {
                           {
                             targetId: "tab-1",
                             title: "Meet",
-                            url: "https://meet.google.com/abc-defg-hij",
+                            url: "https://meet.google.com/abc-defg-hij?hl=en",
                           },
                         ]
                       : [],
@@ -4383,7 +4752,7 @@ describe("google-meet plugin", () => {
                   result: {
                     targetId: "tab-1",
                     title: "Meet",
-                    url: raw.body?.url ?? "https://meet.google.com/abc-defg-hij",
+                    url: raw.body?.url ?? "https://meet.google.com/abc-defg-hij?hl=en",
                   },
                 },
               };
@@ -4391,6 +4760,16 @@ describe("google-meet plugin", () => {
             if (raw.path === "/tabs/focus" || raw.path === "/permissions/grant") {
               return { payload: { result: { ok: true } } };
             }
+            if (raw.path === "/navigate") {
+              return {
+                payload: {
+                  result: {
+                    targetId: raw.body?.targetId ?? "tab-1",
+                    url: raw.body?.url ?? "https://meet.google.com/abc-defg-hij?hl=en",
+                  },
+                },
+              };
+            }
             if (raw.path === "/act") {
               return {
                 payload: {
diff --git a/extensions/google-meet/src/transports/chrome-browser-proxy.test.ts b/extensions/google-meet/src/transports/chrome-browser-proxy.test.ts
index 2ffc19bdb38b..469660de42f3 100644
--- a/extensions/google-meet/src/transports/chrome-browser-proxy.test.ts
+++ b/extensions/google-meet/src/transports/chrome-browser-proxy.test.ts
@@ -2,7 +2,11 @@
 import { MAX_TIMER_TIMEOUT_MS } from "openclaw/plugin-sdk/number-runtime";
 import type { PluginRuntime } from "openclaw/plugin-sdk/plugin-runtime";
 import { describe, expect, it, vi } from "vitest";
-import { callBrowserProxyOnNode, forceMeetEnglishUi } from "./chrome-browser-proxy.js";
+import {
+  callBrowserProxyOnNode,
+  forceMeetEnglishUi,
+  isEnglishMeetTab,
+} from "./chrome-browser-proxy.js";
 
 describe("forceMeetEnglishUi", () => {
   it("pins hl=en on Meet URLs", () => {
@@ -21,6 +25,16 @@ describe("forceMeetEnglishUi", () => {
   });
 });
 
+describe("isEnglishMeetTab", () => {
+  it("accepts only Meet tabs explicitly pinned to English", () => {
+    expect(isEnglishMeetTab("https://meet.google.com/abc-defg-hij?hl=en")).toBe(true);
+    expect(isEnglishMeetTab("https://meet.google.com/abc-defg-hij?hl=EN&authuser=1")).toBe(true);
+    expect(isEnglishMeetTab("https://meet.google.com/abc-defg-hij")).toBe(false);
+    expect(isEnglishMeetTab("https://meet.google.com/abc-defg-hij?hl=ja")).toBe(false);
+    expect(isEnglishMeetTab("https://example.com/?hl=en")).toBe(false);
+  });
+});
+
 describe("Google Meet Chrome browser proxy", () => {
   it("reports malformed node proxy payloadJSON with an owned error", async () => {
     const invoke = vi.fn(async () => ({
diff --git a/extensions/google-meet/src/transports/chrome-browser-proxy.ts b/extensions/google-meet/src/transports/chrome-browser-proxy.ts
index 6a8d01bc4ee8..9373fedd9e29 100644
--- a/extensions/google-meet/src/transports/chrome-browser-proxy.ts
+++ b/extensions/google-meet/src/transports/chrome-browser-proxy.ts
@@ -50,6 +50,22 @@ export function isSameMeetUrlForReuse(a: string | undefined, b: string | undefin
   return Boolean(normalizedA && normalizedB && normalizedA === normalizedB);
 }
 
+export function isEnglishMeetTab(url: string | undefined): boolean {
+  if (!url) {
+    return false;
+  }
+  try {
+    const parsed = new URL(url);
+    return (
+      parsed.protocol === "https:" &&
+      parsed.hostname.toLowerCase() === "meet.google.com" &&
+      parsed.searchParams.get("hl")?.toLowerCase() === "en"
+    );
+  } catch {
+    return false;
+  }
+}
+
 type GoogleMeetNodeInfo = {
   caps?: string[];
   commands?: string[];
diff --git a/extensions/google-meet/src/transports/chrome-create.ts b/extensions/google-meet/src/transports/chrome-create.ts
index 934958d539bd..4b98783eb672 100644
--- a/extensions/google-meet/src/transports/chrome-create.ts
+++ b/extensions/google-meet/src/transports/chrome-create.ts
@@ -284,6 +284,29 @@ export async function createMeetWithBrowserProxyOnNode(params: {
       targetId: tab.targetId,
       timeoutMs: stepTimeoutMs,
     });
+    // Meet automation scripts match English UI labels; a reused tab may have
+    // been opened by the browser/profile in a non-English locale. Only force
+    // English on the /new creation page or sign-in flow; a reused tab that
+    // already has a meeting code may be an active call, and reloading it would
+    // interrupt the meeting and replace its target.
+    const reusedUrl = tab.url ?? "";
+    const isCreatePage =
+      /^https:\/\/meet\.google\.com\/new(?:$|[/?#])/i.test(reusedUrl) ||
+      reusedUrl.startsWith("https://accounts.google.com/");
+    const englishUrl = isCreatePage && reusedUrl ? forceMeetEnglishUi(reusedUrl) : undefined;
+    if (englishUrl && englishUrl !== reusedUrl) {
+      tab =
+        readBrowserTab(
+          await callBrowserProxyOnNode({
+            runtime: params.runtime,
+            nodeId,
+            method: "POST",
+            path: "/navigate",
+            body: { targetId: tab.targetId, url: englishUrl },
+            timeoutMs: stepTimeoutMs,
+          }),
+        ) ?? tab;
+    }
   } else {
     tab = readBrowserTab(
       await callBrowserProxyOnNode({
diff --git a/extensions/google-meet/src/transports/chrome.ts b/extensions/google-meet/src/transports/chrome.ts
index 24a1968927e4..6eb943af93fa 100644
--- a/extensions/google-meet/src/transports/chrome.ts
+++ b/extensions/google-meet/src/transports/chrome.ts
@@ -24,6 +24,7 @@ import {
   asBrowserTabs,
   callBrowserProxyOnNode,
   forceMeetEnglishUi,
+  isEnglishMeetTab,
   isSameMeetUrlForReuse,
   normalizeMeetUrlForReuse,
   readBrowserTab,
@@ -60,6 +61,17 @@ function isGoogleMeetTalkBackMode(mode: GoogleMeetMode): boolean {
   return mode === "agent" || mode === "bidi";
 }
 
+function readMeetAuthUser(url: string | undefined): string | undefined {
+  if (!url) {
+    return undefined;
+  }
+  try {
+    return new URL(url).searchParams.get("authuser") ?? undefined;
+  } catch {
+    return undefined;
+  }
+}
+
 export async function assertBlackHole2chAvailable(params: {
   runtime: PluginRuntime;
   timeoutMs: number;
@@ -433,8 +445,9 @@ function meetStatusScript(params: {
     mic.click();
     notes.push("Muted Meet microphone for observe-only mode.");
   }
+  const joinElsewhere = findButton(/join here too/i);
   const join = !readOnly && ${JSON.stringify(params.autoJoin)}
-    ? findButton(/join now|ask to join|join here too/i)
+    ? findButton(/join now|ask to join/i)
     : null;
   if (join) join.click();
   const microphoneChoice = findButton(/\\buse microphone\\b/i);
@@ -590,6 +603,9 @@ function meetStatusScript(params: {
   if (!inCall && (host === "accounts.google.com" || /use your google account|to continue to google meet|choose an account|sign in to (join|continue)/i.test(pageText))) {
     manualActionReason = "google-login-required";
     manualActionMessage = "Sign in to Google in the OpenClaw browser profile, then retry the Meet join.";
+  } else if (!inCall && joinElsewhere) {
+    manualActionReason = "meet-session-conflict";
+    manualActionMessage = "Meet is already active in another tab or device. Leave that session or reuse an English-pinned tab before retrying.";
   } else if (!inCall && /asking to be let in|you.?ll join when someone lets you in|waiting to be let in|ask to join/i.test(pageText)) {
     manualActionReason = "meet-admission-required";
     manualActionMessage = "Admit the OpenClaw browser participant in Google Meet, then retry speech.";
@@ -667,6 +683,7 @@ async function openMeetWithBrowserRequest(params: {
   const timeoutMs = Math.max(1_000, params.config.chrome.joinTimeoutMs);
   let targetId: string | undefined;
   let tab: BrowserTab | undefined;
+  let openUrl = params.url;
   if (params.config.chrome.reuseExistingTab) {
     const tabs = asBrowserTabs(
       await params.callBrowser({
@@ -675,9 +692,21 @@ async function openMeetWithBrowserRequest(params: {
         timeoutMs: Math.min(timeoutMs, 5_000),
       }),
     );
-    tab = tabs.find((entry) => isSameMeetUrlForReuse(entry.url, params.url));
+    const matchingTabs = tabs.filter((entry) => isSameMeetUrlForReuse(entry.url, params.url));
+    const requestedAuthUser = readMeetAuthUser(params.url);
+    tab = matchingTabs.find(
+      (entry) =>
+        isEnglishMeetTab(entry.url) &&
+        (!requestedAuthUser || readMeetAuthUser(entry.url) === requestedAuthUser),
+    );
+    if (!tab) {
+      const requestedUrl = new URL(params.url);
+      if (!requestedUrl.searchParams.has("authuser")) {
+        openUrl = matchingTabs.find((entry) => entry.url)?.url ?? params.url;
+      }
+    }
     targetId = tab?.targetId;
-    if (targetId) {
+    if (tab && targetId) {
       await params.callBrowser({
         method: "POST",
         path: "/tabs/focus",
@@ -691,7 +720,7 @@ async function openMeetWithBrowserRequest(params: {
       await params.callBrowser({
         method: "POST",
         path: "/tabs/open",
-        body: { url: forceMeetEnglishUi(params.url) },
+        body: { url: forceMeetEnglishUi(openUrl) },
         timeoutMs,
       }),
     );
@@ -790,6 +819,18 @@ function isRecoverableMeetTab(tab: BrowserTab, url?: string): boolean {
   );
 }
 
+function findRecoverableMeetTab(tabs: BrowserTab[], url?: string): BrowserTab | undefined {
+  const candidates = tabs.filter((tab) => isRecoverableMeetTab(tab, url));
+  if (!url) {
+    return candidates[0];
+  }
+  const requestedAuthUser = readMeetAuthUser(url);
+  const accountCandidates = requestedAuthUser
+    ? candidates.filter((tab) => readMeetAuthUser(tab.url) === requestedAuthUser)
+    : candidates;
+  return accountCandidates.find((tab) => isEnglishMeetTab(tab.url)) ?? accountCandidates[0];
+}
+
 async function inspectRecoverableMeetTab(params: {
   callBrowser: BrowserRequestCaller;
   config: GoogleMeetConfig;
@@ -806,6 +847,26 @@ async function inspectRecoverableMeetTab(params: {
     body: { targetId: params.targetId },
     timeoutMs: Math.min(params.timeoutMs, 5_000),
   });
+  // Recovery must never reload an unknown meeting-code tab: it may be an active
+  // call. English-only automation can safely inspect only tabs pinned by us.
+  if (normalizeMeetUrlForReuse(params.tab.url) && !isEnglishMeetTab(params.tab.url)) {
+    const manualActionMessage =
+      "The existing Meet tab is not pinned to English. Open the meeting with ?hl=en, then retry recovery.";
+    return {
+      found: true,
+      targetId: params.targetId,
+      tab: params.tab,
+      browser: {
+        status: "browser-control" as const,
+        browserUrl: params.tab.url,
+        browserTitle: params.tab.title,
+        manualActionRequired: true,
+        manualActionReason: "meet-locale-required" as const,
+        manualActionMessage,
+      },
+      message: manualActionMessage,
+    };
+  }
   const permissionNotes = params.readOnly
     ? []
     : await grantMeetMediaPermissions({
@@ -873,7 +934,7 @@ export async function recoverCurrentMeetTab(params: {
       timeoutMs: Math.min(timeoutMs, 5_000),
     }),
   );
-  const tab = tabs.find((entry) => isRecoverableMeetTab(entry, params.url));
+  const tab = findRecoverableMeetTab(tabs, params.url);
   const targetId = tab?.targetId;
   if (!tab || !targetId) {
     return {
@@ -928,7 +989,7 @@ export async function recoverCurrentMeetTabOnNode(params: {
       timeoutMs: Math.min(timeoutMs, 5_000),
     }),
   );
-  const tab = tabs.find((entry) => isRecoverableMeetTab(entry, params.url));
+  const tab = findRecoverableMeetTab(tabs, params.url);
   const targetId = tab?.targetId;
   if (!tab || !targetId) {
     return {
diff --git a/extensions/google-meet/src/transports/types.ts b/extensions/google-meet/src/transports/types.ts
index b659d1cda89a..a5712ae084a7 100644
--- a/extensions/google-meet/src/transports/types.ts
+++ b/extensions/google-meet/src/transports/types.ts
@@ -22,6 +22,8 @@ type GoogleMeetManualActionReason =
   | "meet-admission-required"
   | "meet-permission-required"
   | "meet-audio-choice-required"
+  | "meet-locale-required"
+  | "meet-session-conflict"
   | "browser-control-unavailable";
 
 type GoogleMeetSpeechBlockedReason =