Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open Chrome and see a grayed-out extension icon. Clicking 'Enable' does nothing, or t...

You plug in an Ethernet cable, Windows 11 shows you're connected, but websites won't load...

You're running a Python script that generates a large file—maybe a CSV with millions of rows ...

You open Windows Security (formerly Windows Defender) only to see an error or blank screen becaus...

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

Fix 'Python' Command Not Found in VS Code Terminal on Windows
When you open the VS Code terminal on Windows and type python, you might see &...