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...

Disable Windows Defender Real-Time Protection via Group Policy

If you're managing a Windows 10 or 11 Pro/Enterprise environment, you might need to disable Windo...

Fix Microsoft Store Permission Denied Error for App Installation

When you try to install an app from the Microsoft Store, you might see a "Permission Denied" erro...

Checklist to Enable Windows Security Auto Start

If Windows Security (formerly Windows Defender) doesn't start automatically after you log in, you...

Fix Windows Security High Memory Usage (100%)

You open Task Manager and see Windows Security (or Antimalware Service Executable) using nearly 1...

Windows Security Network Error Checklist: Step-by-Step Fixes

If you're seeing a network error in Windows Security—like "Something went wrong" or "Can't connec...