Fix Git 'index.lock' Error in VS Code
If 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 'Python' Command Not Found on Windows 7
When you type python in Command Prompt on Windows 7 and get 'python' i...
How to Fix npm Permission Denied for Global Packages
When you run npm install -g and see EACCES: permission denied, it usual...
Fix Git Clone Connection Timed Out After 30 Seconds
When you run git clone and see connection timed out after 30 seconds, i...
Fix Nginx 502 Bad Gateway: Upstream Connection Refused
If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...
Fix DNS Probe Finished NXDOMAIN on Custom DNS Server
If you see “DNS PROBE FINISHED NXDOMAIN” in Chrome or another browser while using a custom DNS se...
Issue queue
SitemapFix 'Permission Denied' Error When Saving VS Code settings.json
Docker Desktop Sleep Mode Engine Failure Fix
Reset Windows Security App Settings Guide
Edge Sync Configuration Checklist: Step-by-Step Guide
Troubleshooting Missing C++ IntelliSense in VS Code
Passing Env Vars to Docker Compose Build
Stop Windows Security App from Crashing
Cloudflare 521 Error: SSL Fix Guide
Chrome Safe Mode Certificate Error Fix Guide
npm package.json Missing: Quick Troubleshooting
Resolve 'Permission Denied' When Running source venv/bin/activate
Fix Cloudflare www DNS Not Updating
Docker Desktop Sleep Mode Engine Failure Fix
Reset Windows Security App Settings Guide
Edge Sync Configuration Checklist: Step-by-Step Guide
Troubleshooting Missing C++ IntelliSense in VS Code
Passing Env Vars to Docker Compose Build
Stop Windows Security App from Crashing
Cloudflare 521 Error: SSL Fix Guide
Chrome Safe Mode Certificate Error Fix Guide
npm package.json Missing: Quick Troubleshooting
Resolve 'Permission Denied' When Running source venv/bin/activate
Fix Cloudflare www DNS Not Updating