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 notesFix VS Code Git Authentication Failed: Step-by-Step Guide
You're in the middle of a push or pull in VS Code, and you get a red error: "Authenticati...
Fix Chrome Access Violation Error When Opening PDFs
You click a PDF link in Chrome and instead of the document, you see an error: Access Violatio...
Fix Windows Update Error 0x80070002
Windows Update error 0x80070002 usually appears when the update process can't find a required...
Git Detached HEAD vs Attached HEAD: What It Means and How to Fix
If you've seen the message "You are in 'detached HEAD' state" while using Git...
Fix DNS Probe Finished NXDOMAIN on Router: Step-by-Step
You're browsing and suddenly Chrome shows 'DNS_PROBE_FINISHED_NXDOMAIN'. This means y...
Issue queue
SitemapDealing with pip's Externally Managed Environment Warning
VS Code Save Permission Denied – Troubleshooting Guide
Chrome Sync Not Working with VPN: Fixes and Checks
How to Fix Extension Settings Not Applying in Chrome
Chrome Extensions Not Working? Here's How to Fix
pip install Troubleshooting: Permission and Dependency Issues
Chrome Using Too Much RAM on Mac? Fix It Now
Resolve ERR_CONNECTION_RESET Error in Chrome for Mac
Docker Compose Env Variable Missing: How to Fix
Fix 'git pull failed index.lock file exists' Error
How to Reset VS Code Terminal Settings When It Won't Open
Resolve Nginx Config Test Failure
VS Code Save Permission Denied – Troubleshooting Guide
Chrome Sync Not Working with VPN: Fixes and Checks
How to Fix Extension Settings Not Applying in Chrome
Chrome Extensions Not Working? Here's How to Fix
pip install Troubleshooting: Permission and Dependency Issues
Chrome Using Too Much RAM on Mac? Fix It Now
Resolve ERR_CONNECTION_RESET Error in Chrome for Mac
Docker Compose Env Variable Missing: How to Fix
Fix 'git pull failed index.lock file exists' Error
How to Reset VS Code Terminal Settings When It Won't Open
Resolve Nginx Config Test Failure