Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You're trying to activate Windows, but you get a "permission denied" or "access denied" error. Th...

You open Chrome, click the extensions icon, and nothing shows up—or you get an error message like...

You try to enable a Chrome extension, but Chrome shows an 'access denied' or 'blocked by admin' m...

You downloaded the Microsoft Store offline installer (an .appxbundle or .msixbundle file) to inst...

You see error 0x80070005 when trying to update Windows Defender. This usually means a permission ...

If your Windows Security (formerly Windows Defender) virus scan takes forever or slows down your ...