Fix Git 'index.lock' File Exists Error in IntelliJ
If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Chrome Certificate Error: Invalid Authority SSL Certificate
If Chrome shows 'Your connection is not private' with 'NET::ERR_CERT_AUTHORITY_INVALI...
Git Large File Storage Setup Tutorial
If you've ever tried to push a repository containing large binary files—like design assets, d...
Python venv Not Working on Windows 10: Common Fixes
If you're trying to create or activate a Python virtual environment on Windows 10 and it'...
Fix Git Push Rejected Non Fast Forward Error
You try to push your local commits to a remote repository and get: ! [rejected] —
Manually Download and Fix Windows Update Error 0x80070002
You see error 0x80070002 when checking for updates. It usually means Windows Update can't fin...
Issue queue
SitemapTroubleshoot Firefox Secure Connection Failed with Proxy
How to Fix Nginx 502 Bad Gateway in Docker Logs
How to Stop Chrome Memory Spikes During Video Playback
Troubleshooting Docker No Space Left on Device (Devicemapper)
Fix 'git remote origin already exists' with Wrong URL
How to Clean Boot for Windows 11 Upgrade Stuck
Fix Windows Update Service Not Running with DISM Restore Health
Resolve pip's Externally-Managed-Environment Error
Docker Container Exits Right After Start with Volume Mount
Fixing Chrome STATUS_ACCESS_VIOLATION from Extensions
Troubleshoot Docker Container Exit Code 0
Fix ERR_NAME_NOT_RESOLVED on Windows 10
How to Fix Nginx 502 Bad Gateway in Docker Logs
How to Stop Chrome Memory Spikes During Video Playback
Troubleshooting Docker No Space Left on Device (Devicemapper)
Fix 'git remote origin already exists' with Wrong URL
How to Clean Boot for Windows 11 Upgrade Stuck
Fix Windows Update Service Not Running with DISM Restore Health
Resolve pip's Externally-Managed-Environment Error
Docker Container Exits Right After Start with Volume Mount
Fixing Chrome STATUS_ACCESS_VIOLATION from Extensions
Troubleshoot Docker Container Exit Code 0
Fix ERR_NAME_NOT_RESOLVED on Windows 10