The Lighting Controller

That was it!! MIDI TIME CODE being sent at 30 fps must have been overloading the buffer/memory/whatever it does! I guess either Win 7/XP or ShowXpress v5/v6 or Sonar v6/v8 handle it different because it was the same settings as my old machine... It's a good thing I don't need it!

It worked all day ...

THANK YOU for the really fast reply. It was 2am here in the states, so I looked into it a little bit (til 4am). I am doing testing today.

BTW, it was never one specific file. Sonar has a PLAYLIST feature to call up songs and the crash would happen at odd times - never the same place in any same ...

I've been working on this for a week now... HELP!!

Setup:
Windows 7 Ultimate 64bit
HP Pavilion dv7 Laptop - Intel i5/8GB RAM/ 1 GB ATI Mobility Radeon HD 5650 dedicated video card
Chauvet X-Factor DMX interface (USB powered) - seperate USB bus
M-Audio Fast Track Ultra USB audio Interface - seperate ...