i have a HP g60 with windows vista premium and just uploaded bobcad v.23 into my laptop. while going through the drawing process the system shuts down. i've been on the bobcad website and have made the changes they recomended. everything went ok till i got to the 3d programing example. the system gives me this bobcad is shutting down alarm. i've checked and re-checked the settings but it did it again today. is there another setting i could try? also, is there a way i could use the post processors from my v21 post processor cd?