Silent install is not working with Aimp 3 current version (AIMP 3.00.976) : http://www.aimp.ru/forum/index.php?topic=32303.msg183653#msg183653 you can try this until is done : http://www.ryanvm.net/forum/viewtopic.php?t=7705&highlight=aimp Just extract exe from the archive A good day !