Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

After updating Jupyter Notebook or JupyterLab, you may find that the token-based authentication n...

You click 'Check for updates' or restart your PC, but Windows Update sits on 'Pending install' fo...

You click 'Check for updates' and see 'Downloading 0%' for minutes or hours. This is a common fru...

You're logged into Windows with an administrator account, but Windows Security still shows 'Acces...

You open Windows Security and see a rate limit error — notifications stop, scans won't start, or ...

You open Microsoft Store and see an error like 0x80073D0A or 0x80073CF6...