Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Security (formerly Windows Defender) won't open or takes forever to load, it's usually...

You open OneDrive and see 'Resolving changes' stuck for minutes or hours. Files won't sync, and t...

If you see error 0x80070422 when trying to open Windows Defender Security Center, the service is ...

If you reset your Windows settings and now can't sign into the Microsoft Store, you're not alone....

You open Chrome and see an error like "Your profile could not be opened correctly" or "Chrome use...

If you're running Windows Defender on a Mac via virtualization or Boot Camp, you may run into iss...