Fix Docker Compose 'Port Already Allocated' for MySQL - How to Remove index.lock in SourceTree-Resolve ERR_CONNECTION_RESET by Resetting Proxy Settings

Updated 2026-07-28 03:19:01browser-issues
Fix Docker Compose 'Port Already Allocated' for MySQL - How to Remove index.lock in SourceTree-Resolve ERR_CONNECTION_RESET by Resetting Proxy Settings
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.