Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you're trying to download or update an app from the Microsoft Store and the progress bar stays...

If your terminal (command prompt) in Ubuntu stops responding—no cursor, no output, or it freezes ...

If you're seeing a "404 Not Found" error in Chrome when you know the page exists, a corrupted or ...

If you open Microsoft Store and it just shows a spinning circle or a blank white screen that neve...

When you're working remotely and the clipboard stops sharing between your local machine and the r...

If you see 'Windows Search token expired' in Outlook 2016, it usually means the search index is c...