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

Fix Windows Defender Real-Time Protection Off via Registry

If you see "Real-time protection is off" in Windows Security and the toggle is grayed out or keep...

Fix Microsoft Store 404 Page Not Found Error

When you browse the Microsoft Store and encounter a 404 page not found error, it usually means th...

Fix PowerShell Proxy Authentication Failed Errors

Chrome Auto Start Not Working After Update – Fixes

After a Chrome update, you might notice that the browser no longer starts automatically when you ...

Chrome Profile Error 'Cannot Be Opened' – Fix Guide

When Chrome shows the error “Your profile cannot be opened correctly” or simply refuses to launch...

Fix Windows Defender Service Error 577: Step-by-Step

You try to start Windows Defender, but it fails immediately with error 577, often accompanied by ...