Hot Corners not working after using Call of Duty 4

So I have noticed that Hot Corners are not working after i use COD4.
I know that the game uses different resolution and somehow interupts the hot corner software. Buty why and how I dont know.
I very often close COD4 by using Cmd+Q (or something like that)... But it doesnt matter if I quit it the "real" way. Hot corners still stops working after I use it.
Hot corners works again if I reboot my iMac and also if I have used COD4 then go to System Preferences and Hot Corneres and make one change there.. then it magically works again.
Does anyone have any definate solution for this.
PS: I have an iMac 3.06 GHz Intel Core 2 Duo. 4GB 1067 MHz RAM and Lion 10.7.3.
I also have a Macbook Pro with the same problem.... and both computers running Lion OSX and are always updated....
Peace
/Bobo

Does your 8600M GT have 128 or 256MB VRAM? Both versions shipped with that model MBP. The game sysreqs says that, while 128 is minimum, 256 is preferred. We all know what "minimum" means in software advertising.
Have you downloaded the SL Graphics updater?
http://support.apple.com/kb/DL1083
It's supposed to fix certain games but it's worth a shot.
I'm surprised that the temp doesn't change. Even running the COD2 demo on my Late 2007 2.2G with 2G RAM and the 128MB version of the 8600, temps go up to 160-170F. That was under 10.5. Just upgraded to 10.6 Sunday, so I guess I should check COD2 again, because SL seems to run cooler on my MBP.

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After all that text, I fogrot the most essential information..
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2014-03-31T08:29:09,138Z Warning    [scx.logfilereader.ReadLogFile:23186:140522274359072] scxlogfilereader - Unexpected exception: Could not find persisted data: Failed to access filesystem item /var/opt/microsoft/scx/lib/state/ActionAccount/LogFileProvider__ActionAccount_shome_sActionAccount_slogfilewithoutsudo.txtEDST02
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