Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You see error 0xc004f074 when trying to activate Windows, often after a hardware change or when u...

If Windows Search stops returning results or the search box shows no results, a dependency confli...

If you open Task Manager and see that the Windows Search indexing service is set to start automat...

After a Windows update, you might see "Authentication failed" when trying to sign in to the Micro...

After reinstalling OneDrive, you may see an error that the sync module is not found or missing. T...

When you see 'Outlook module not found', it usually means a required component is missing, corrup...