A user has installed a legacy application in Windows 7 and reports that only some of the
functionality in it is operational. Another user is using the same application on a different Windows
7 machine and doesn’t report those problems. Which of the following features in Windows 7 may
be responsible for this problem?

A.
System Protection settings

B.
User Account Control

C.
Action Center

D.
Data Execution Prevention

Explanation:
http://windows.microsoft.com/en-us/windows7/products/features/user-account-control