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

Windows Defender Configuration Settings Guide

Windows Defender (now Microsoft Defender Antivirus) is the built-in security solution for Windows...

How to Fix Chrome Profile Blank Screen on Startup

You open Chrome and see a blank screen with only the profile icon or a gray area. No bookmarks, n...

Windows Defender Real-Time Protection Error 0x80070422 Fix

You try to turn on Windows Defender real-time protection, but you get error 0x80070422. This usua...

Fix Microsoft Teams Connection Refused Due to Firewall Settings

When Microsoft Teams shows a 'connection refused' error, it usually means a firewall or proxy is ...

How to Fix 502 Bad Gateway in PowerShell Invoke-WebRequest