Does The Big Box object work properly for 64-bit?

That's pretty much the same problem I had ;) I just realized that it's not actually his fault, though. I asked Google:

((4 285 652 992 / 1024) / 1024) / 1024 = 3.99132538

Task Manager confirms this: It says I have 4087 MB RAM. I guess the problem is that we don't have exactly 4 GB or some are hidden or so. I don't know. What you could do, as a kind of hack, is to add a certain number to the available bytes. I guess 100 MB (= 100*1024*1024) should work - 4087+100 is 4187 which is above 4096 (4 GB). I hope somebody has a better solution though.