Auzentech Vista 64-bit issue

Hello, I just recieved my new Auzentech Prelude sound card today and installed it, disabled the motherboard onboard sound and installed the new updated drivers off the site.

well randomly while listening to music the music will start suttering and lock there suttering until I retart, its very annoying it has happened 4 times and just stays there, it doesnt pop or anything just stutters like its stuck


anyone ever have this issue? and if so any fixes for it>?