Game crashed everytime i tried Cornfield Crossing

[observer24]

Device = Windows 7 (32-bit)
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SuperTuxKart crashed :/
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SuperTuxKart crashed!
Please hit Ctrl+C to copy to clipboard and signal the problem
to the developers on our forum: viewforum.php?f=16

Call stack:

build
buildOptimizedBvh
createPhysicalBody
createPhysicsModel
loadTrackModel
createKartWithTeam
updateSectorForKarts
__emutls_get_address
setEventReceiver
handleServerCheckStructureCount
startNextRace
free
_M_emplace_back_aux<RaceManager::KartStatus>
free
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OK
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[QwertyChouskie]

What CPU do you have in your system? Could be some incompatible SSE code based on the fact that it's crashing in buildOptimizedBvh (which is a part of Bullet, the library used for physics in SuperTuxKart).