Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

After installing a Windows feature update, some users see errors like '0x800f0922' or '0x80246007...

You open a file and see a message: 'Conflict version of [filename]' or two copies with 'conflict'...

If you're stuck in a Windows login loop—where you enter your password, the screen goes black or l...

If Windows Update won't start or you see an error that the update service is not running, it's us...

You open Outlook on Windows 10 and get an error: "Cannot find the path. Verify that the correct p...

If you find that Windows Defender isn't starting automatically when you boot Windows 10, your sys...