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

Fix Windows Defender Blank Screen in Windows 10

If you open Windows Defender Security Center in Windows 10 and see nothing but a blank white or g...

Fix Putty Connection Refused Due to Windows Firewall

You're trying to SSH into a remote server using Putty, but you get a 'Connection refused' error. ...

Windows Terminal Setup Guide for Beginners

If you've just installed Windows Terminal or are considering it, this guide will walk you through...

Fix Windows Update Authentication Failed After Password Change

You changed your Windows password, and now Windows Update shows an authentication failed error. T...

Checklist for Windows Security Module Errors

When Windows Security (formerly Windows Defender) throws module errors, you might see messages li...

Fix Windows Activation Command Error 0x80070002