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 Node Version Incompatibility When Installing Packages
You try to install an npm package and get an error like Unsupported engine or ...
Docker Compose Env Variable Not Available in Container: Fix
You define an environment variable in your docker-compose.yml file, but when you run...
Fix Git 'fatal: refusing to merge unrelated histories' on GitHub
You try to merge two branches in Git, and get fatal: refusing to merge unrelated histories<...
How to Fix Nginx Redirect Loop That Prevents Site Loading
You open your site, and the browser keeps loading until it times out or shows a redirect error. T...
Fix Windows Explorer Restarting After Update
After a Windows update, you may see Explorer repeatedly restarting—the taskbar flickers, desktop ...
Topic paths
Quick titles
How to Fix UnicodeDecodeError in Python with latin-1Fix Bluetooth Problems in Windows 11How to Resolve Windows 11 Update Stuck at 0 PercentNode.js Heap Out of Memory: Increase Memory for npmFix DNS Probe Finished NXDOMAIN in Edge BrowserHow to Reinstall Windows Security App (Microsoft Defender)Resolve 'index.lock File Exists' in SourceTreeGit Push Rejected Non Fast Forward After Rebase