Fix Git 'index.lock file exists' Error
When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows 11 WiFi No Internet Due to Antivirus Blocking
If your Windows 11 PC shows full WiFi bars but no internet access, your antivirus might be blocki...
Fix Windows Update Error 0x80070002 by Resetting SoftwareDistribution Folder
Windows Update error 0x80070002 often appears when the system cannot find or access the update fi...
Docker Compose Port Already Allocated: Fixes & Checks
When you run docker-compose up and see an error like Error starting userland p...
Windows 11 Update Stuck at 0%? Here's How to Fix It
You click "Check for updates" and see the download sitting at 0% for minutes or hours. Th...
Fix Git Clone Connection Timed Out Due to Firewall
You run git clone and after a long pause see connection timed out. This...
Topic paths
Quick titles
Pip Externally Managed Environment Error: Causes and FixesFix Package Errors by Downgrading NodeHow to Recover from Detached HEAD in GitHow to Fix Docker Desktop WSL Engine FailureTroubleshooting pnpm Stuck on Resolving DependenciesGit Cherry-Pick Conflict Resolution GuideChrome Error STATUS_ACCESS_VIOLATION – Reset GuideWindows Security Not Working After Reset: Troubleshooting Guide