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Windows 11 WiFi Has Internet but Other Devices Work Fine - How to Handle Non-Fast-Forward Upstream-Fix Git 'index.lock' Error in VS Code

Updated 2026-07-28 05:18:00macos-help
Windows 11 WiFi Has Internet but Other Devices Work Fine - How to Handle Non-Fast-Forward Upstream-Fix Git 'index.lock' Error in VS Code
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

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