Fix Git 'index.lock' Error in VS Code - Troubleshooting Windows Update 0x80070002-How to Fix Git Push Rejected Non-Fast-Forward Error

Updated 2026-07-28 14:42:31developer-tools
Fix Git 'index.lock' Error in VS Code - Troubleshooting Windows Update 0x80070002-How to Fix Git Push Rejected Non-Fast-Forward Error
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.