Any fix of batman arkham asylum lag ?

hey guys is there any update or patch to increase game perfomance like lag & ohther bug fix ?? I am also getting a error dialog box of (input not supported) that move arround the desktop in game screen when i open the game !
system-Window xp sp3
Ram 4GB
Graphic card 8400GS
HDD-500 GB
Answer #1
– Try turning down all your game settings (AA, Textures and Resolution)
– Try applying the v1.1 patch.
Answer #2
And make sure you have the drivers updated.
Answer #3
Install Physx driver.
Answer #4
Drivers are updated & i can’t install physx driver coz its saying you hav latest version of service pack3 you don’t need to install this application
& also applied the patch bt still facing lag problem can i chaange screen resolution in batman arkham asylum ?
Answer #5
Yes, you should be able too. Check on Options under Graphics settings.
Answer #6
Khozik replied: Yes, you should be able too. Check on Options under Graphics settings.
i checked it bt there is only brightness & camera veiw setting that i can change
& der’s no textres.Aa, etc to change as we can do GTA IV
can’t handle it lag is like hell
Answer #7
Graphic card 8400GS
there’s your problem
and possibly CPU as you didn’t specify which one.
Answer #8
Ste#. replied: Graphic card 8400GS
there's your problem
and possibly CPU as you didn't specify which one.
CPU Is Intel(R)Core(TM)2Duo CPU
E4600 @2.40GHz & when i am installing the game a test is run byself from batman arkham asylum & after test is finish a dialog box pop up’s saying you pass the minimum system requirment click next to install the game
& i got another problem too when game is runing an error of
“INPUT NOT SUPPORTED” Flows around the screeen how to get rid of that If you know ! ?
Answer #9
It says that you have the minimum system requirements, which means you can play the game, but not smoothly like you want.
Answer #10
mean i screwed ?
Answer #11
Means that if you want to play the game with no lag you gonna have to upgrade your system.
Answer #12
ok thanx mate