Interesting information but I am not sure if applies here.. 1. Did E-On software compile Vue with the IMAGE_FILE_LARGE_ADDRESS_AWARE linker switch turn on. If no the application is still limited to 2Gig according to Microsoft article that Lingrif posted. 2. My system memory at the time of error was indicating that only 1Gig of the 2Gig phyiscal was actually being used. My systems has been running for days and even down the Peak memory usages is 1314052 which is less than the 2gig phyiscal.