[slijin]

Originally Posted by CalTran

I know that this is going to sound odd, but have you checked the modules themselves? At the beginning of our season, we hit a snag and our programmers tore hairs out trying to fix code until it turned out to be a bad module.

I have to second this.

Try reversing your modules (move the one from slot 2 to 4 and viceversa) and see which ones work.