Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see error 0x80240016 when updating Windows Defender, it usually means Windows Update or De...

When you open the Windows Update log and see 'log file not found' or get this error in Event View...

You might see an error saying 'Windows Update auto start failed to start' when you try to check f...

If Chrome crashes and you see a message that your profile file is locked, it usually means Chrome...

You try to run Windows Update and get an error like 0x80070002 or a message that the...

If you see error code 0x8004de40 when trying to sign in or sync files in OneDrive, it usually mea...