Checklists for software errors, setup, and tool workflows.

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Latest checklists

You're in the middle of a Git operation—commit, merge, or rebase—and Git stops with: fa...

Fix npm run build Permission Denied on Linux
You run npm run build on your Linux machine and see Permission denied. ...

Fixing VSCode IntelliSense Not Working for Go
You open a Go project in VSCode, start typing, and get no autocompletions, no hover info, no erro...

Fix Windows Update Error 0x800f081f After SFC ScanNow
You run sfc /scannow to check system files, and it completes successfully. But when ...

Fix Git 'index.lock' File Exists Error in IntelliJ
If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...

How to Fix Git index.lock File Exists Error on Mac
If you're working with Git on a Mac and see the error fatal: Unable to create '/pat...