Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You start Jupyter Notebook, see the token prompt, paste the token from the terminal, but it fails...

If you've enabled Files On-Demand but still see all files downloaded or missing cloud icons, a fe...

If you see 'Profile authentication failed: Permission denied' when launching Chrome, the browser ...

If Chrome is acting up—settings won't save, extensions misbehave, or the browser crashes on start...

If you see "Connection timed out" when FileZilla attempts passive mode transfers, the issue is us...

If Windows Security (formerly Windows Defender) refuses to start or shows a blank screen, a third...