Fix Git 'index.lock' File Exists Error in SourceTree
If you use SourceTree and see an error message like fatal: Unable to create 'path/to/.g...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWhy npm Says 'package.json Not Found' and How to Fix It
You run npm install or npm start and get npm ERR! package.json no...
Fix VSCode Git Authentication Failure with Bitbucket
You're working in Visual Studio Code, you try to push or pull from a Bitbucket repository, an...
Docker Compose Ports Not Working: Common Fixes
You've defined ports in your docker-compose.yml, but containers aren't reachable on the e...
Git index.lock File Exists: Quick Fix Checklist
You try to run a Git command and see fatal: Unable to create 'path/.git/index.lock'...
Git index.lock File Exists Even After Deleting: Fixes
You delete the .git/index.lock file, but Git still says it exists. This can happen d...
Topic paths
Quick titles
Fix Permission Denied Error in pip installManual index.lock Deletion in GitHow to Create a New Branch from a Detached HEAD in GitVS Code Git Auth Fails No Prompt FixHow to Fix Chrome Extensions Not Loading or Grayed OutHow to Resolve Cloudflare 522 Connection TimeoutCloudflare DNS Slow Propagation FixHow to Stop Chrome Access Violation from Antivirus