I have the same problem, Win 7 64bit, 32G memory - should be enough imo. DynamicHeapAllocator out of memory - Could not get memory for large allocationCould not allocate memory: System out of memory! http://s000.tinyupload.com/download.php?file_id=30477184524756246887&t=3047718452475624688747267 I'm gonna try the texture management pack next.