Hi,
Did you disable UAC and DEP in Vugen machine?
Please refer the following links to do that if you have not disabled them yet:
http://support.openview.hp.com/selfsolve/document/KM00598473
http://support.openview.hp.com/selfsolve/document/KM747283
Please try and share the result.
Thanks and Regards,
Chau Nguyen