Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...

When Microsoft Edge starts misbehaving—slow loading, frequent crashes, or unexpected pop-ups—rese...

You search for a file or setting in Windows, but nothing appears—or you see an error about an SSL...

If you connect to a remote Windows machine via Remote Desktop (RDP) and see a certificate warning...

You try to install or update an app in the Microsoft Store and get a 'permission denied' error. T...

If you see 'connection refused' or 'service not running' when using Windows Search, the search se...