Tunebite and Blitz3d?

Today i downloadet and bought Tunebite from www.tunebite.com
and then all blitz3d app. got a memory access violation, even
the blitz samples and help examples! I did a system restore and all blitz progs. now works again. Does anyone of you have Tunebite and Blitz3d installed?
Thanks.
Henrik

PC: Vista, Core2duo, 2 gb ram, nvidia 8600gt 256 gb ddr3

do they have any user forum you could ask on?

Yes there is, i will try that.
Henrik