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

Fix Microsoft Store High Memory Usage & Error 0x80073cf0

You open Task Manager and see Microsoft Store using several hundred MB of RAM. When you try to in...

Fix Windows Defender Firewall Blocking Internet Connection

If your internet stops working after a Windows update or firewall configuration change, Windows D...

Fix 'Connection Refused' in Windows Terminal to Remote Server

When you see 'connection refused' in Windows Terminal while trying to connect to a remote server ...

How to Set Up Windows Activation on Ubuntu Dual Boot

If you installed Ubuntu alongside Windows and now see an activation warning, you're not alone. Wi...

Fix Chrome SSL Certificate Error: Invalid Common Name