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 Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused
Windows Explorer Not Responding? Here's How to Fix It
Windows Explorer (now called File Explorer) freezing or showing "not responding" is a com...
Fix Node Sass 'Missing Binding' Build Error
When working with Node Sass, you might encounter a build error that says something like:
...
Windows Update Service Not Running in Windows 11: Fix It
If Windows Update won't start and you see an error like "Windows Update service is not ru...
How to Fix Cloudflare 521 Error with Firewall Settings
If you see a 521 Web Server Is Down error when visiting your site through Cloudf...
Issue queue
SitemapHow to Fix Cloudflare DNS Propagation Errors
Fix Missing Extensions in Incognito Windows
Fix Cloudflare 521: Server Not Responding
Troubleshooting Cloudflare Wildcard Subdomain Errors
Node Version Mismatch with Global Tools: Diagnosis and Fix
Fix Cloudflare Wildcard Subdomain Not Resolving
Understanding and Fixing Git Detached HEAD State
Troubleshooting Docker Network Not Found But Exists
Windows 11 Update Stuck? How to Download Manually
Edge Sync Error 0x80072efd Fix Guide
Dart/Flutter IntelliSense Not Working in VSCode: Fixes
Troubleshooting VS Code Git Change Detection
Fix Missing Extensions in Incognito Windows
Fix Cloudflare 521: Server Not Responding
Troubleshooting Cloudflare Wildcard Subdomain Errors
Node Version Mismatch with Global Tools: Diagnosis and Fix
Fix Cloudflare Wildcard Subdomain Not Resolving
Understanding and Fixing Git Detached HEAD State
Troubleshooting Docker Network Not Found But Exists
Windows 11 Update Stuck? How to Download Manually
Edge Sync Error 0x80072efd Fix Guide
Dart/Flutter IntelliSense Not Working in VSCode: Fixes
Troubleshooting VS Code Git Change Detection