Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You're trying to download an app or update from the Microsoft Store, but you get an error about r...

If you see a message that your Chrome profile failed to authenticate—often when trying to sync or...

You open Outlook 365 and see a security certificate warning: "There is a problem with the proxy s...

If you see a "504 Gateway Timeout" error when syncing OneDrive, it usually means the sync service...

If you're seeing 'Chrome module not found' on your Mac while working with Node.js, Puppeteer, or ...

When you see a connection timeout error in Microsoft Store, it usually means the app can't reach ...