Reply to DDJ-T1 traktor scratch pro crash prob

hello to everyone !

i'm using traktor scratch pro with ddj-t1 and suddenly after 5 hours of continious mixing it stoped relizing sound and the graphics on my screen were moving in a very slow motion ! no matter if i pressed play/cue .... the sound was remainig dead ! i was so embaranced ind i don't want to happen this again thats why am asking your help !!

info of hardware :

Acer aspire 5742-6682

prosessors : Intel(R) Core(TM) i3 CPU M370 @2.40GHz
(task manager and device manager shows me 4 cores.....so i believe it's not dual-core :P )


installed memory (RAM) : 4.00 GB (3.68 usable)

320 GB hd

Windows 7 professional x64 sp1


P.S.

it also shows me a crashlog every time i'm closing the traktor window somthing like.........traktor-mini.nicrash



thanx for you time !!!