memory usage problems

I have Nuendo 5.4.4 on a 64 bit Windows 7 PC using the 32 bit version of Nuendo. I have 32 gigs of memory. I am also using Plogue Bidule with rewire and am attempting to push the memory in both programs to the limit.

I am running in to memory problems, including blue screens, when the two programs are being used simultaneously and are both maxed out. Would anyone have any suggestions for system settings, etc., that might help me combat this problem?

I’m not willing to move to Nuendo 64 bits until certain essential plug-ins are updated to 64 bits so I request that any input is related to my particular system.

Thanks very much for any suggestions.