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If your Mac came with 10.6.6 or less, downgrade back to 10.6.6 or less until the game developer in question has caught up.
If you are running 10.6.6 you already have evidence it works for others, and it may be a sign you need to start a new topic thread to isolate your issue. Here's a link to where to start one:
http://discussions.apple.com/forum.jspa?forumID=1337
you'll get a wider audience able to figure out why you have instability on exit, and won't confuse the original poster with solutions that don't apply to you. Upgrading the operating system is for fine tuning certain features within the operating system, and not to add compatibility to other software unless the other developer says it
does.
If you bought a Mac with 10.6.7 you should ask before buying if there are any known incompatibilities before
buying, since you can't downgrade past the operating system that ships with Macs, except you can run an older
version of Windows in virtualization, which is just as fast as a PC, if the said software has a PC counterpart*
http://www.macmaps.com/macosxnative.html#WINTEL
it is not Apple's fault if a developer can't keep up with changes on
http://developer.apple.com
this is clearly a sign this has happened.
Message was edited by: a brody