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

Fix Microsoft Store High CPU Usage & Permission Denied Errors

You launch the Microsoft Store and notice your CPU usage spikes, or you get a 'Permission Denied'...

Fix Windows Defender Not Starting Automatically via Registry

If Windows Defender doesn't start automatically after boot, it may leave your system unprotected ...

Windows Security Alternative for Mac: Practical Setup Guide

You're looking for something on your Mac that works like Windows Security—the built-in antivirus,...

Fix 502 Bad Gateway After Reboot in Command Prompt

If you see a 502 Bad Gateway error after rebooting your server or workstation, i...

How to Set Up Remote Desktop on Windows 11

Before You Start

Remote Desktop lets you connect to your Windows 11 PC from another devic...

Debug SSH Public Key Authentication Failure: Step-by-Step

You're trying to SSH into a server with a public key, but you get "Permission denied (publickey)"...