I Just installed Oblivion on my pc and it installed perfectly but when I go to play the game it shuts down right away. the error message mentions this file C:\DOCUME~1\user\LOCALS~1\Temp\f599_appcompat.txt. I've reinstalled several times still the same problem. I don't know what to do or how to fix it. or if it's a problem on my end. Please help.

Let me guess: Vista, or Win7? and you installed to the default directory?

Try uninstalling the game, and then reinstalling to C:\Games\Oblivion

No, that folder doesn't exist, just enter that in the install path, when the installer asks.... and it will create it for you. (though it might ask if you want to create before doing so..... some do, some don't.)

Let's just usehttp://www.gamesas.com/bgsforums/index.php?showtopic=1065199&hl=Don't cross post, thanks.