Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When npm run build fails, the error message can be cryptic. This checklist walks thr...

If you've installed Python on Windows 10 but get 'python' is not recognized

Fix Chrome Startup Error 0xc0000022 on Windows
When you try to open Google Chrome and see error code 0xc0000022, the browser fails to start. Thi...

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM
You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...

Fix 'python command not found' After Windows Upgrade
After upgrading Windows 10 to 11 (or a major feature update), many users find that typing p...

Fix npm install Permission Denied When Using nvm
If you see 'EACCES: permission denied' when running npm install while using ...