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

OBS Virtual Camera Black Screen: How to Fix

If you see a black screen when using OBS Studio’s virtual camera in Zoom, Teams, or other apps, t...

Fix Windows Activation Cache Corruption

You try to activate Windows, but the activation fails with an error like '0xC004F074' or 'The act...

How to Fix systemd Service Restarting Repeatedly Error

Fix Microsoft Teams Auto-Start via Registry

If Microsoft Teams starts automatically every time you log into Windows, even after you've turned...

Fix Windows Update Connection Refused with Netsh Winsock Reset

If Windows Update shows a "connection refused" error, it often points to a corrupted Winsock (Win...

Fix Windows Activation Auto Start Permission Denied Error

You may see "permission denied" when Windows activation attempts to auto-start, often after a sys...