Hey Doug, Does rc5b only run under GS version 7.08b?

I am running version 7.07.. I can change behaviour panel options etc and build
the outdoor level. But when I go to run it acknex crashes with the t7.dll
with critical error.

Windows XP SP3
Intel Dual Core CPU: E5200 @ 2.5GHz
4.00GB DDR3 Ram
ASUS P5G41T-M LX
PCIE x16 GeForce GTS 450 1Gb
SB Audigy 4
Spyware Doctor with AntiVirus