Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You start a new Visual Studio installation or update, and the progress bar stops at “Downloading ...

If Windows Defender won't start in Windows 10, you might see error messages like "Service did not...

If Windows Defender (Microsoft Defender Antivirus) scans are taking unusually long—sometimes hour...

If you're seeing a 502 Bad Gateway from nginx, it usually means nginx can't reach the upstream se...

You install a Chrome extension, but it doesn't appear in the toolbar, or it's grayed out, or it j...

When trying to install Windows Terminal using an offline installer, you may encounter error code ...