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

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...

How to Unlock a File Locked by Windows Security

You try to open, move, or delete a file, but Windows shows a message like "This file is blocked b...

Fix Windows Security Real-Time Protection Turning Off Automatically

If you notice Windows Security's real-time protection keeps turning off by itself, your PC may be...

Fix Windows Update Error 0x80070005 Permission Denied

When Windows Update fails with error 0x80070005 and a “Permission Denied” message, it typically m...

How to Fix Windows Update Setup Error 0x80070643

You're trying to install a Windows update and get error 0x80070643. This usually appears during t...

Fix Windows Update SSL Certificate Errors Not Working