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 listHow to Fix Windows 11 Installation Assistant Stuck at 99%
You're running the Windows 11 Installation Assistant, it reaches 99%, and then... nothing. Th...
Fix Git Clone Connection Timed Out via HTTPS
When cloning a repository over HTTPS, you may see 'Connection timed out' after a long wai...
Fix Windows Explorer Restarting After Crash
If Windows Explorer (explorer.exe) crashes and then keeps restarting, you may see the desktop fla...
Edge Sync Configuration Checklist: Step-by-Step Guide
If your Microsoft Edge browser isn't syncing bookmarks, passwords, or settings across devices...
Fix VSCode Permission Denied in Docker Containers
When using Visual Studio Code's Remote – Containers extension or attaching to a running Docke...
Topic paths
Quick titles
Git Detached HEAD: How to Fix and PreventHow to Clean Up Docker Volume SpaceHow to Resolve ERR_CONNECTION_RESET on Android ChromeHow to Fix Incompatible Node Version in npm InstallPython UnicodeDecodeError Windows: Common FixesWindows 11 Installation Assistant Stuck at 99%: Fixes That Workpnpm audit fix not working: common causes and fixesMozilla Firefox Certificate Error Troubleshooting