Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see an error like “You’ve hit a rate limit” or “Too many requests” in Outlook, your accoun...

You try to run Windows Update and get an error saying the configuration is invalid. This usually ...

When you try to update or run Windows Defender, you might see error 0x80070643 with a message lik...

You see an error like "invalid configuration permission denied" when trying to c...

You open Command Prompt, type a command, but see no blinking cursor or only a blank rectangle. Th...

When a Windows Update fails with a message like "file locked" or "file in use," it usually means ...