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Fix 'git pull failed index.lock file exists' Error - Windows 11 Wi-Fi Connected but No Internet: Step-by-Step Fix-Resolve Blue Screen Error After Windows 11 Feature Update

Updated 2026-07-28 12:43:06developer-tools
Fix 'git pull failed index.lock file exists' Error - Windows 11 Wi-Fi Connected but No Internet: Step-by-Step Fix-Resolve Blue Screen Error After Windows 11 Feature Update
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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