Fix Git 'index.lock file exists' Error
When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Git 'index.lock file exists' Error
If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...
Fix VS Code Terminal Not Opening on Mac
You open VS Code, press Ctrl+` or click the Terminal panel, and nothing happens. The...
Fix Nginx 502 Bad Gateway: Upstream Connection Refused
If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...
How to Fix Windows Update Error 0x80070005 Permission Denied
When Windows Update fails with error 0x80070005 and the message "Permission denied," it u...
Fix Cloudflare Wildcard Subdomain Page Rule Not Working
You set up a wildcard subdomain page rule in Cloudflare—like * .example.com/*—but it...
Issue queue
SitemapFix 'No Space Left on Device' with Docker Devicemapper
Fix Windows Defender Blocked by Third-Party Antivirus
Fix Windows 11 Blue Screen After Update with Recovery Environment
Git index.lock File Exists: Quick Fix Checklist
How to Fix node-sass Build Failed Error
How to Reduce Chrome Memory Usage
Resolve Git Remote Origin Already Exists
How to Fix Windows Update Error 0x80070002
Taskbar Icons Not Showing in Windows 11: Quick Fixes
Fix os.listdir Encoding Error in Python
Resolve Chrome Access Violation on PDF
Node.js Breakpoints Not Hitting in VS Code Debugger
Fix Windows Defender Blocked by Third-Party Antivirus
Fix Windows 11 Blue Screen After Update with Recovery Environment
Git index.lock File Exists: Quick Fix Checklist
How to Fix node-sass Build Failed Error
How to Reduce Chrome Memory Usage
Resolve Git Remote Origin Already Exists
How to Fix Windows Update Error 0x80070002
Taskbar Icons Not Showing in Windows 11: Quick Fixes
Fix os.listdir Encoding Error in Python
Resolve Chrome Access Violation on PDF
Node.js Breakpoints Not Hitting in VS Code Debugger