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

Fix OBS Black Screen but Audio Works: Step-by-Step Guide

If OBS Studio shows a black screen in your source preview or stream but audio is working fine, yo...

BitLocker High Memory Usage: Causes and Fixes

You notice that your system is running slowly and Task Manager shows BitLocker processes consumin...

Fixing Windows Security Proxy Configuration Issues

When Windows Security (formerly Windows Defender Security Center) can't update virus definitions ...

Fix Windows Terminal 502 Bad Gateway Due to Proxy or Network Settings

You open Windows Terminal and see a '502 Bad Gateway' error when trying to access a remote host o...

Fix Windows Activation File Locked by Antivirus

If you see an error like “Windows activation file locked by antivirus” or activation repeatedly f...

Fix SSH Permission Denied (publickey) on Raspberry Pi