Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

After a recent Windows update, you might see a network error when using Windows Search—for exampl...

You open Chrome and see the profile stuck on a spinning 'Loading...' screen, with no internet con...

If you see a '404 Not Found' error when accessing OneDrive files or folders, it usually means the...

If you see 'Windows Defender service unavailable' in Windows 10, the antivirus may be disabled or...

You're connected to a remote machine and suddenly get a "token expired" error. This usually happe...

You try to run Windows Update and get an error like 0x8024401c or a message that the update servi...