Fix Git 'index.lock file exists' Error
When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix 'Git Remote Origin Already Exists' Error
When you try to add a remote named 'origin' but Git tells you it already exists, it's...
Chrome Extensions Not Loading? Reset Chrome to Fix
You open Chrome, click the extensions icon, and nothing happens. Or extensions are grayed out, mi...
Fix Chrome ERR_CONNECTION_RESET After Router Reboot
If you see ERR_CONNECTION_RESET in Chrome after rebooting your router, you'r...
Fix Git Authentication Failed in VS Code on Linux
You're working in VS Code on Linux, try to push or pull, and get a popup: "Git authentica...
Fix Windows Defender Real-Time Protection Not Starting
If you see a yellow warning or a message that real-time protection is off, Windows Defender’s cor...
Topic paths
Quick titles
Fix 'Permission Denied' in VS Code Terminal on LinuxHow to Resolve Cloudflare SSL Full Strict ErrorTroubleshooting Chrome Extensions After Browser UpdateFixing Cloudflare 522 Error: CDN Configuration StepsFix Windows Update Error 0x80070005 System Volume Informationnpm Permission Denied: How to Fix Global PackagesGit LFS and Permission Denied: Troubleshooting GuideGit Merge Conflict: How to See the Diff Between Versions