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

How to Fix Windows Security Settings Not Saving Changes

You change a setting in Windows Security—like toggling real-time protection or adding an exclusio...

Fix 'Remote Desktop Command Not Found' After Update

How to Fix Chrome Profile SSL Certificate Error

You open Chrome and see an error like “Your connection is not private” or “NET::ERR_CERT_COMMON_N...

Fix Windows Defender High CPU Usage on Windows 11

If you notice your Windows 11 system slowing down and Task Manager shows Microsoft Defender Antiv...

Fix Windows Update Proxy Errors After Network Change

If you recently switched networks—say, from a corporate VPN to a home Wi-Fi—and Windows Update no...

How to Set Up Certbot with Nginx on Ubuntu 22.04

If you're running Nginx on Ubuntu 22.04 and need a free SSL certificate, Certbot with the Nginx p...