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

How to Install Windows Security on Ubuntu (via Virtual Machine or Wine)

If you're looking to run Windows Security (Microsoft Defender) on Ubuntu, you've hit a fundamenta...

Fix Cloudflare DNS Not Working on Router Setup

If you've set Cloudflare DNS (1.1.1.1, 1.0.0.1) on your router but devices still can't resolve do...

Remote Desktop Network Configuration Checklist

If you're setting up Remote Desktop (RDP) and hitting connection errors, the problem is often in ...

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes

Fix Windows Activation Token Expired During Reinstall

If you're reinstalling Windows and see an activation error saying your token has expired, you're ...