Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Security (formerly Windows Defender) is not scanning for viruses, you may see an error...

You open Microsoft Edge and see a "permission denied" error when trying to access a site, a file,...

You installed Ubuntu alongside Windows and now Windows shows it's not activated. This is a known ...

If you’re stuck in a remote desktop login loop—where you log in and are immediately logged out or...

You install a Windows update, reboot, and instead of the login screen you see a blank display wit...

After a Windows update, the Visual Studio Installer may fail to launch, hang, or show error messa...