Me too. I have a dual boot system (WinXP Home and WinXPro 64-bit) and it does the same in both installations. This problem did not exist before the patch.
<It's worse than I originally thought. After the last CTD (offline practice session) I got corrupted file messages. When I rebooted, CHDSK ran and deleted a lot of files.
I think I am going to lay off Aces High until this sucker is fixed. Too bad. All that time at Easter.

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AMD 64 4000+
2 Gig RAM
GeForce 6800GT 256 Mb RAM