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 notesVS Code IntelliSense Not Working for Python: Common Fixes
You open a Python file in VS Code, start typing, and no suggestions appear. IntelliSense is silen...
Fixing Nginx Redirect Loop Configuration Issues
You set up an Nginx redirect but now the browser says the page isn't redirecting properly – y...
VSCode IntelliSense Not Working for React: Fixes
You open a React component in VSCode, start typing a prop or a hook, and get no suggestions. Inte...
How to Fix Cloudflare 522 Errors: Connection Timeout Guide
You're trying to load your site and see Error 522: Connection Timed Out. Thi...
Fix VS Code IntelliSense Not Working After Update
After a VS Code update, IntelliSense may stop working—no suggestions, missing completions, or slo...
Issue queue
SitemapFixing Cloudflare Origin Certificate Errors
Fix Python Memory Errors When Processing Large Files
Fix ERR_CONNECTION_RESET in Chrome on Mac
Chrome Black Screen Video Fix: Hardware Acceleration
Python Virtual Environment Activation Failed: Common Fixes
VS Code Permission Denied Error: Causes and Solutions
Python Requests Timeout Troubleshooting Guide
Resolve Cloudflare Full Strict Sync Problems
Fixing Cloudflare 521 Error After Server Restart
How to Clean Up Docker No Space Left on Device
Why Docker Container Exits Right After Start
Stop File Explorer Crashing: Disable Shell Extensions
Fix Python Memory Errors When Processing Large Files
Fix ERR_CONNECTION_RESET in Chrome on Mac
Chrome Black Screen Video Fix: Hardware Acceleration
Python Virtual Environment Activation Failed: Common Fixes
VS Code Permission Denied Error: Causes and Solutions
Python Requests Timeout Troubleshooting Guide
Resolve Cloudflare Full Strict Sync Problems
Fixing Cloudflare 521 Error After Server Restart
How to Clean Up Docker No Space Left on Device
Why Docker Container Exits Right After Start
Stop File Explorer Crashing: Disable Shell Extensions