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

Fix Windows Defender Authentication Failed Group Policy Error

You may see an error saying "Windows Defender authentication failed" after applying a Group Polic...

Download PowerShell Offline Installer for Windows 10

If you need to install PowerShell on a Windows 10 machine that has limited or no internet access,...

Best Windows Update Settings for Gaming Performance

If you've ever been kicked out of a game by a sudden Windows update restart or noticed stuttering...

Fix Windows Activation slmgr Permission Denied Error

When you try to activate Windows using the Software License Manager (slmgr) command-line tool, yo...

FFmpeg Setup Checklist for Developers

Developers often hit snags when setting up FFmpeg for the first time or on a new machine. This ch...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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