Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You're editing a file in VS Code on your Mac, hit save, and get: 'Failed to save:...

Fix VS Code Terminal Not Opening Due to Settings
You click the terminal panel icon in VS Code, but nothing happens. The panel doesn't slide up...

Windows 11 Update Blue Screen Error Code: How to Fix
If you see a blue screen with an error code after applying a Windows 11 update, you're not al...

VS Code Git Not Detecting Changes: Step-by-Step Fix
You've edited files in VS Code, but the Source Control panel shows no changes. The git icon m...

Fix npm run build Failed with PostCSS Error
You run npm run build and see a PostCSS error. This often happens after updating pac...

Fix 'Python' Command Not Found in Windows 10
When you type python in Command Prompt and see 'python' is not recogni...