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...

Windows 11 Activation Module Not Found: Causes and Fixes

You try to open Activation settings in Windows 11 and see 'Windows activation module not found' o...

How to Fix Windows Security Real-Time Protection Not Turning On

If you see that Windows Security's real-time protection is stuck off and won't turn on, you're no...

Fix 'Command Not Found' Error in Windows 10 Command Prompt

You type a command in Command Prompt and get 'xxx' is not recognized as an internal or exte...