Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Search returns a '404 Not Found' error when you try to open the search pane or run a q...

When you try to install or update an app from the Microsoft Store and get an error about a file b...

If you're seeing a '502 Bad Gateway – Permission Denied' error when using Windows Defender (Micro...

When the VSCode debugger stops working, it's usually due to a misconfiguration, a missing extensi...

You're running a PowerShell command and see 'Permission Denied' or 'Access Denied.' This usually ...

You open Task Scheduler, but instead of the familiar console, you see a blank white or gray windo...