Fix Git 'index.lock' Error in VS Code
If 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 Git Push Rejected Non-Fast-Forward
You run git push and get an error like ! [rejected] main -> main (non-fast-...
Fix VS Code Source Control Not Detecting Changes After Branch Switch
After switching branches in Git, VS Code's Source Control view sometimes stops showing change...
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...
Understanding and Fixing Git Detached HEAD State
If you've seen the message You are in 'detached HEAD' state in Git, you ...
Fix Nginx Config Test 'Permission Denied' Error
Running nginx -t and seeing 'permission denied' can stop you from reloading ...
Topic paths
Quick titles
Node.js Garbage Collection Tuning to Avoid Heap Out of MemoryPermission Denied in VS Code Terminal for Node.jsDocker Build Context Canceled: Checklist and FixesHow to Fix Pip Externally Managed Environment ErrorFix Windows 11 BSOD After Cumulative UpdateViewing the Diff in a Git Merge ConflictHow to Get VS Code Terminal Working Again on macOSResolving pip install Dependency Conflicts and Permission Errors