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 notesHow to Fix Python UnicodeDecodeError: 'utf-8' Codec Can't Decode Byte
You're running a Python script and suddenly see:
UnicodeDecodeError: 'utf-8' ...
How to Fix Git Merge Conflict Error Code 128
When you run git merge and get error: merge conflict followed by ...
Fix Windows 11 Installation Assistant Stuck at 99% with Clean Boot
You're upgrading to Windows 11, and the Installation Assistant gets stuck at 99% for a long t...
Windows Update Service Troubleshooting Checklist
When Windows Update stops working, the update service itself is often the culprit. You may see er...
Fix DNS Probe Finished NXDOMAIN with VPN Issues
When you see 'DNS probe finished NXDOMAIN' in your browser while a VPN is active, it mean...
Issue queue
SitemapFix Python Virtual Environment Activation Failure
Complete Windows Update Service Repair Guide
How to Fix Git Clone Connection Timed Out
Fix ERR_CONNECTION_RESET in Chrome: Network Settings Guide
How to Fix Windows Update Error 0x80070002
How to Stop Chrome Memory Spikes During Video Playback
Fix Docker Build Canceled During Context Upload
How to Bypass pip Externally Managed Environment
Fix ERR_CONNECTION_RESET Caused by Chrome Extensions
How to Fix Python Command Not Found on Windows
Chrome Extensions Not Working? Here's How to Fix
Chrome Crashing on Startup from Malware: Fix
Complete Windows Update Service Repair Guide
How to Fix Git Clone Connection Timed Out
Fix ERR_CONNECTION_RESET in Chrome: Network Settings Guide
How to Fix Windows Update Error 0x80070002
How to Stop Chrome Memory Spikes During Video Playback
Fix Docker Build Canceled During Context Upload
How to Bypass pip Externally Managed Environment
Fix ERR_CONNECTION_RESET Caused by Chrome Extensions
How to Fix Python Command Not Found on Windows
Chrome Extensions Not Working? Here's How to Fix
Chrome Crashing on Startup from Malware: Fix