Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open a file or run a task in VS Code and see Error: EACCES: permission denied, open ...

Docker: No Space Left on Device After Pulling Image
You pull a Docker image and get no space left on device. The image might be small, b...

Fix Git SSL Certificate Problem on Corporate Networks
If you see git SSL certificate problem: unable to get local issuer certificate while...

Fix npm ENOWENT Package.json Not Found on Mac
If you see 'ENOENT: no such file or directory, open /path/to/package.json' when running n...

Fix npm run build TypeScript Compilation Errors
You run npm run build and get a wall of TypeScript errors. The build fails, and you&...

Windows 11 Update Stuck at 0%? Here's How to Fix It
You click "Check for updates" and see the download sitting at 0% for minutes or hours. Th...