Fix Git 'index.lock' Error in VS Code - Fix DNS Probe Finished NXDOMAIN After Flushdns Fails-Reset Windows Defender Real-Time Protection: Step-by-Step

Updated 2026-07-28 06:09:25office-tools
Fix Git 'index.lock' Error in VS Code - Fix DNS Probe Finished NXDOMAIN After Flushdns Fails-Reset Windows Defender Real-Time Protection: Step-by-Step
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.