Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

Windows Defender (now Microsoft Defender Antivirus) is the built-in security solution for Windows...

After a Chrome update, some users see a blank white screen instead of their usual homepage or tab...

When the Task Scheduler service won't start automatically, scheduled tasks stop running. This can...

You open Chrome and see a message: 'Your profile token has expired. Sign in again.' This usually ...

If you're having trouble installing or updating apps from the Microsoft Store, the log files can ...

If you're seeing an error about a security token being expired or configuration being invalid, it...