Other Personally Owned computers should use Microsoft Security Essentials or Windows Defender.UNH Students: Students are encouraged to use Microsoft Security Essentials, a free antivirus product for Personally Owned computers, on Windows Vista and Windows 7.The definition update will be installed multiple times. Because I could not reproduce this issue the first time, I posted a German article Microsoft Security Essentials: Doppelte Definitionsupdates – and immediately received reader feedback.Then a couple of hours later, I observed the issue on my Windows 7 production machine.Faculty and Staff should use System Center 2012 Endpoint Protection for Mac on Institutionally Owned Apple computers.
Faculty/Staff: The University of New Hampshire has secured Microsoft System Center 2012 Endpoint Protection (SCEP) licenses for Institutionally Owned computers.
Older versions of Windows Defender (for Windows Vista and Windows 7) are anti-spyware only. UNH Faculty and Staff may use System Center 2012 Endpoint Protection on one Personally Owned computer if it is used for work associated with the University.
For other Personally Owned Computers, Faculty and Staff are encouraged to use Microsoft Security Essentials or Windows Defender.
Here are a few details about that mysterious issue.
If Microsoft Security Essentials (MSE) is installed under Windows 7, definition updates (signature updates) are offered via Windows Update.
The process to download and install virus definitions for System Center 2012 Endpoint Protection is explained by Microsoft in this document.