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 notesGit Merge Conflict: Keep Both Files Instead of One
When you run git merge and get a conflict, Git stops and marks the conflicting files...
Fix Windows Defender Real-Time Protection After Clean Boot
You've performed a clean boot to troubleshoot an issue, but now Windows Defender's real-t...
Fix npm run build failing due to ESLint errors
You run npm run build and it fails with a wall of ESLint errors. This is common when...
How to Fix Nginx Upstream Connection Refused Error
If you're seeing upstream connection refused in your Nginx error logs, it usuall...
How to Fix Nginx Upstream Connection Refused on Port 80
When nginx logs show "upstream connection refused" while connecting to port 80, it means ...
Issue queue
SitemapApache Cloudflare Origin Certificate Configuration Guide
Fix npm install Permission Denied on Linux
VS Code Source Control Not Showing Changes: Fix
Fix 'Windows Cannot Access Shared Folder' via Registry
Windows Search Index Rebuild Guide
How to Set Up a Git Merge Conflict Resolution Tool
How to Fix Nginx Configuration Test Failed on Ubuntu
Chrome Sync Stuck on Waiting for Sync: Practical Fixes
Resolve npm run build TypeScript Errors
Reduce Chrome RAM Usage: Step-by-Step Guide
Fix Chrome Startup Crash via Task Manager
How to Fix Git Clone Timeout Error Code 128
Fix npm install Permission Denied on Linux
VS Code Source Control Not Showing Changes: Fix
Fix 'Windows Cannot Access Shared Folder' via Registry
Windows Search Index Rebuild Guide
How to Set Up a Git Merge Conflict Resolution Tool
How to Fix Nginx Configuration Test Failed on Ubuntu
Chrome Sync Stuck on Waiting for Sync: Practical Fixes
Resolve npm run build TypeScript Errors
Reduce Chrome RAM Usage: Step-by-Step Guide
Fix Chrome Startup Crash via Task Manager
How to Fix Git Clone Timeout Error Code 128