Knowledge base for software setup, errors, and daily tool work.

Fix 'Port Already in Use' Error with Windows Defender Firewall

You try to start a local service or application, and it fails with an error like 'port already in...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Security Token Expired Configuration Error

If you're seeing an error about a security token being expired or configuration being invalid, it...

Microsoft Store Restore Checklist for Developers

When developing apps for the Microsoft Store, you may encounter situations where apps fail to ins...

Fix Windows Activation Command Not Found After Update

After a Windows update, you might run into a situation where the activation command (like s...