Fix Git 'index.lock' File Exists Error in IntelliJ - Cloudflare Wildcard Subdomain CNAME Setup Guide-Troubleshooting Cloudflare SSL Modes: Full, Strict, and Flexible

Updated 2026-07-28 15:17:39developer-tools
Fix Git 'index.lock' File Exists Error in IntelliJ - Cloudflare Wildcard Subdomain CNAME Setup Guide-Troubleshooting Cloudflare SSL Modes: Full, Strict, and Flexible
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.