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

Windows Activation Service Unavailable on New Computer

You just set up a new computer, but when you try to activate Windows, you see an error that the a...

Fix 'Port Already Allocated' Error in Windows Defender

You open Windows Defender Security Center or try to run a scan, and you see an error saying a por...

Fix Windows Update Token Expired Registry Error

If you see a 'token expired' or 'Token Expired' error when checking for Windows updates, the issu...

Fix Windows Update SSL Certificate Errors Not Working