Reply to Vestax typhoon, tracktor LE, win7 64bit STOPS PLAYING

Hello,

INTRO:

i have an vestax typhoon with tracktor LE on my windows 7 64 bit machine.
on this machine is only windows home edition, traktor LE and my music. automaticly update disabled firewall disabled no virusscanner not connected with internet.

PROBLEM:

when i start playing (sometimes it takes 2 hours sometimes 10 min but it is gonna happen)
there can 2 things happen:

1: the music stops
2: the music slows down and it gets an noise

HISTORY

first this was happening on a windows xp machine then on an win 7 64 bit with other porgrams, now on this machine.

PLEASE PLEASE anybody help me ive bean to my store they cant help it and if theres no solution i wasted 260 euros

greeting,

Ricardo van Laarhoven