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

How to Fix Remote Desktop Black Screen After Connecting

You connect to a remote PC via RDP, authentication succeeds, but you're greeted with a black scre...

Fix 'UFW Status Shows Port Not Active' Error

You run sudo ufw status and see a rule for a port, but the port isn't actually activ...

Fix Windows Update Rate Limit Error and Sync Issues

You might see a rate limit error or sync issue in Windows Update when the update service temporar...

Fix Windows Terminal SSH Connection Timeout

You're trying to SSH into a remote server from Windows Terminal, but the connection times out aft...

Fix Windows Update SSL Certificate Errors Not Working