Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you run a PowerShell script or command that accesses a network drive, you may see an error l...

You might see errors like 'The information store could not be opened' or 'Your Microsoft Exchange...

You're trying to download or update an app from the Microsoft Store, and you get a message about ...

If Outlook crashes repeatedly—freezing, closing without warning, or throwing errors—this checklis...

You might see a Windows Defender rate limit error when scanning files or updating definitions. Th...

You try to launch Chrome and get a message like 'Your profile could not be opened correctly' or '...