Microsoft security essentials error code 0x80073b01. SmartPCFixer™ is a fully featured and easy- to- use system optimization suite. When you upgrade from a previous version of Windows to Windows 10 Windows Defender takes over replaces Microsoft Security Essentials.1 to Windows 10, the Microsoft Security Essentials ( MSE) program that is designed to act as the onboard security program for these versions of the Operating System is meant to be replaced by Windows Defender. With it you can clean windows registry, remove cache files, update windows, fix errors, defrag disk download dlls.
As of Windows 10, Microsoft Security Essentials is no more and the onboard defender for Windows users is a program called “ Windows Defender”. When you upgrade from a previous version of Windows to Windows 10, Windows Defender takes over and replaces Microsoft Security Essentials.One of the most common behaviors of Windows Defender is that if it detects a third- party antivirus software, then Windows Defender will shut itself off. Windows is designed to detect the presence.