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

Windows Security Firewall Configuration Checklist

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

Chrome DNS Error Troubleshooting Guide

When Chrome shows 'DNS_PROBE_FINISHED_NXDOMAIN' or 'ERR_NAME_NOT_RESOLVED', your browser can't tr...

How to Fix Chrome ERR_SSL_PROTOCOL_ERROR

You try to open a website in Chrome and see ERR_SSL_PROTOCOL_ERROR. The page won...

PowerShell Command Not Found but Works in CMD

OBS Virtual Camera Not Working on Windows 10 – Fixes

You set up OBS Studio, enabled the virtual camera, but Zoom or Discord shows nothing. The virtual...

Windows Activation Network Troubleshooting Checklist

If Windows won't activate and you're seeing errors like "We can't activate Windows on this device...