Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Outlook stops responding at the "Loading Profile" screen and the process shows as outlook.exe ...

You may see a "Migration failed" error when upgrading Windows or installing a feature update, oft...

When you try to download or update an app from the Microsoft Store, the download may hang and eve...

You search for a file or setting in Windows, and instead of results you see a 502 Bad Gateway err...

If Windows Search stops returning results, runs slowly, or shows errors like "Search is not avail...

You open Windows Security and see an error that the service isn't running. Or you get a notificat...