Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see "Windows Defender service not running" or a red warning in Security Center, the underl...

You see the message "This extension is blocked by your administrator" in Chrome, and you can't en...

You open Chrome and see a message that your profile token has expired. This usually means Chrome ...

If Windows Update is stuck downloading updates, keeps failing with error codes, or won't start at...

You run a script that worked yesterday, and today it throws errors about missing cmdlets, incompa...

If you're using the Microsoft Store on a Mac (via the web or through Office apps), you may run in...