Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When setting up a new Outlook profile or installing an add-in, you may see a message like "A depe...

If you see error 0x80072ee2 when checking for updates, it usually means Windows Update timed out ...

You attempt to open Windows Security and get an error: "The service did not respond to the start ...

If you see "Windows Defender is turned off by group policy" in Windows Security, it means a local...

If you see a “profile rate limit” error in Chrome on your Mac, it usually means Chrome is trying ...

If you notice that Windows Security (formerly Windows Defender) is using a lot of memory—sometime...