Checklists for software errors, setup, and tool workflows.

Fix Windows Activation Not Working After Update 2024

After a recent Windows update in 2024, you might see an activation error or a message that Window...

Fix Windows Defender Real-Time Protection Crashing on Windows 11

If Windows Defender’s real-time protection keeps turning off or throws an error on Windows 11, yo...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Microsoft Teams 404 Not Found Error When Loading Apps

You click an app in Microsoft Teams and see a '404 Not Found' page instead of the app loading. Th...

Fix 'mstsc' Not Found: Remote Desktop Command Missing

When you type mstsc in Command Prompt or Run and get 'command not found' or 'mstsc i...

Fix Windows Security Not Starting Automatically After Boot

You boot your PC and notice Windows Security (formerly Windows Defender) isn't running. The icon ...