Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see a '404 Not Found' error when using Windows Search, it usually means the search index c...

When you see the 'Profile service unavailable' error in Chrome, it usually means the browser can'...

When you launch a Jupyter notebook and the kernel never starts—or shows a 'Kernel error' or 'Conn...

When a scheduled task fails to run, the cause is often a dependency conflict — the task relies on...

You see error 0x80073712 when trying to install updates. It usually means a system file or compon...

When you run a PowerShell command to connect to a service on localhost and get a 'connection refu...