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

OBS Virtual Camera Setup Checklist

You've added sources, your scene looks great in OBS, but when you try to select the OBS Virtual C...

How to Fix Windows Security Error 0x80073b01

You may see error 0x80073b01 when opening Windows Security or trying to use its features. It usua...

Fixing GitHub Actions Permission Denied for Git Commands

Fix Windows Update Configuration Tool Not Responding

If you see a message that the Windows Update configuration tool is not responding, it usually mea...

How to Fix Chrome Profile 502 Bad Gateway Error

If you see a "502 Bad Gateway" error in Chrome, especially after switching profiles or updating t...

Windows Security Firewall Configuration Checklist

If you've ever enabled the Windows Firewall and suddenly lost access to a shared printer or could...