> Under Windows, I've even seen users unable to run Sweet Home 3D with - > Xmx1024m! As I never found out why, I was obliged to set -Xmx to 512 > under this system. :-( > The reason was already mentioned in Kirk's first reply. JVM needs continuous virtual memory space for the value you specified by -Xmx. Usually you will get something around 1300M on 32-bit Windows and I also have seen machines where 1024M won't work. You can use VMMAP from WinInternals to see free and reserved virtual memory regions. Jan
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