Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You're trying to send or receive email in Outlook, but you get an error about the SSL certificate...

You may see an error like "Windows Search version mismatch" or "The search service cannot communi...

You enter your Windows product key during installation or activation, and get an error that the k...

If you can't sign in to OneDrive, the problem is often something simple — wrong password, cached ...

If you or a user sees a “permission denied” or “access denied” error in Microsoft Teams—whether w...

If you see an error saying the OneDrive sync port is already allocated, it usually means another ...