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

Fix Windows Update Authentication Failed Due to Group Policy

You try to run Windows Update and get an error like "Authentication failed" or "0x80070005" – and...

How to Install Windows Security on Ubuntu (via Virtual Machine or Wine)

If you're looking to run Windows Security (Microsoft Defender) on Ubuntu, you've hit a fundamenta...

How to Fix Outlook Not Starting Automatically on Windows 11

If Outlook doesn't open automatically when you log into Windows 11, it's usually a settings issue...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

Windows Defender Offline Scan Setup Guide

If your Windows PC is infected with malware that won't go away with a normal scan, a Windows Defe...