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 listVS Code Source Control Not Detecting Changes: Disable Git Fix
If VS Code stops showing file changes in the Source Control panel, Git integration may be stuck o...
Fix Python Permission Denied When Running pip install -r requirements.txt
You run pip install -r requirements.txt and get a PermissionError or
Fix Windows 11 Wi-Fi No Internet by Disabling IPv6
If your Windows 11 PC connects to Wi-Fi but shows 'No internet' while other devices work ...
How to Set npm Prefix to Avoid Permission Denied Errors
If you've seen EACCES: permission denied when running npm install -g
Chrome Profile Sync Not Working After Update: Fixes
After a Chrome update, you might see sync paused or error messages. Your bookmarks, passwords, or...
Topic paths
Quick titles
Windows 11 Update Error 0x80070002: Causes and FixesFix 'Python' Command Not Found in Windows 10 64-bitIntelliJ Git index.lock Error FixHow to Fix Windows Update Service Not Running in Windows 10Python Requests Timeout Exception Handling: Practical FixesVS Code Terminal Not Using Python Virtual EnvironmentHow to Fix pip Permission Denied on WindowsStop Chrome Black Screen in Remote Desktop