Your network contains client computers that run Windows 8. An administrator deploys a Group Policy object
(GPO) that disables the following:
Desktop gadgets
Microsoft accounts
User Account Control (UAC)
The Program Compatibility Assistant
You discover that Windows Store applications cannotrun on the client computers that are targeted by the new
GPO. You verify that non-Windows Store applicationsrun successfully. You need to ensure that all of the
applications start correctly on the client computers that are targeted by the GPO. What should you enable in the
GPO?

A.
Microsoft accounts

B.
The Program Compatibility Assistant

C.
UAC

D.
Desktop gadgets

Explanation:
http://support.microsoft.com/kb/2736601