USB M-Audio fast track ultra device not working

[epifab]

After reading several forums I managed to have my guest (windows 7 home) recognising my audio device. I installed the appropriate M-Audio drivers with no errors.

However, if I try to play any sound the device basically freezes the program which is attempting to use it and seemed to play like a microsecond of music every several seconds. This also happens if I directly try to test it from windows (the green bars indicating the volume in output move incredibly slowly).