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

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Windows Defender Stuck on Loading Black Screen

If Windows Defender (Microsoft Defender Antivirus) hangs on a black screen with a spinning or fro...

How to Allow an App Through Windows Defender Firewall

If an app can't connect to the internet or network, Windows Defender Firewall may be blocking it....

PowerShell DNS Server Troubleshooting Checklist

When DNS resolution fails or a server stops responding, PowerShell provides direct cmdlets to dia...

Resolve Remote Desktop Dependency Conflict Errors

When you try to connect to a remote desktop, you might see an error about a dependency conflict. ...

How to Reset Windows Defender Settings

If Windows Defender (Microsoft Defender Antivirus) is acting up—won't open, shows error messages,...