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Fix Git 'index.lock file exists' Error - How to Fix DNS Probe Errors via Router Settings-Cloudflare Full Strict SSL Certificate Mismatch Solution

Updated 2026-07-28 21:28:46windows-fixes
Fix Git 'index.lock file exists' Error - How to Fix DNS Probe Errors via Router Settings-Cloudflare Full Strict SSL Certificate Mismatch Solution
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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