Checklists for software errors, setup, and tool workflows.

Fix Windows Defender Token Expired Preventing Service Start

You see 'Token expired' in the Windows Defender event log or a notification that the service didn...

Task Scheduler 404 Not Found: Fix Missing Scheduled Tasks

You open Task Scheduler, expand the task library, and a scheduled task you rely on is gone. Inste...

Fix 'Security Module Not Found' in Windows Defender

If you see a message in Windows Security that says something like "Security module not found" or ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

How to Fix Windows Terminal Access Denied Error

When you try to launch Windows Terminal and see an 'Access Denied' error, it usually means the te...

How to Fix Windows Update 502 Bad Gateway in Windows 10

If you see a "502 Bad Gateway" error when checking for Windows updates on Windows 10, it usually ...