mpgh injector works fine for it
if your having trouble ill help you with tmview or something
and you can always try a different injector
make sure the dll and mpgh injector have the same name
and run as admin
look here -http://www.mpgh.net/forum/28-warrock-international-hacks/205995-hack-dont-work-you-read-here.html for more help
oh and i tested it with windows 7 64 bit
and idk what uncussesful tested with