Windows Microsoft Guardian is a rogue antivirus program that infects computers using Trojan viruses. Computer users are never aware about the infiltration as a Trojan makes sure to make it completely secret. Actually Windows Guardian Microsoft uses fake Microsoft Security Essentials alert which has nothing in common with Microsoft.
Windows Microsoft Guardian also warns that your system is infected by displaying various security notifications and pop up ads. These messages provide fake information and promote Windows Microsoft Guardian as a reliable security application.
You should ignore all security notifications related to Windows Microsoft Guard as they do not give any real information at all. The scanner which is run with each system reboot is fake as well.
Please make sure to uninstall Windows Microsoft Guardian from your computer as soon as you detect its existence on your system. use a reliable security tool for quick and easy elimination.