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

Fix Windows Defender Disabled by Group Policy: Step-by-Step

If you see "Windows Defender is turned off by group policy" in Windows Security, it means a local...

Fix Microsoft Store Blank Screen When Opening an App

You launch an app from the Microsoft Store, and instead of the app window, you get a blank screen...

Fix OBS Black Screen After Game Capture Setup

You set up a game capture source in OBS Studio, but the preview shows a black screen. The game ru...

Fix Windows Defender Proxy Error: Permission Denied