Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Search suddenly stops working and you see SSL certificate errors in the event logs or ...

If your Windows device boots straight to the desktop without asking for a BitLocker password, the...

You try to open a file in OneDrive and see a 404 Not Found message, or you get an Access Denied e...

If you use Outlook with add-ins, scripts, or third-party integrations, you might see an error lik...

You open Outlook and it hangs on the loading profile screen, sometimes for minutes or indefinitel...

When Microsoft Teams shows a proxy error, it usually means the app can't reach its servers becaus...