ATI Problem

I have Window 7 in my labtop. firstly it can be played KARAOKE player well, but after sometimes the ATI install manager error shown since then it can't be played KARAOKE at all.

why? and how can i solve this problem?

Please help me.
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  1. I think By Disabling ATI Catalyst this problem can be fixed.

    It is a device driver program for ATI Graphic Cards. Disabling it can improve FPS and can fix this error.

    Click Start, point to All Programs | Accessories and select Run.

    Type RegEdit and press ENTER.

    Expand HKEY_CLASSES_ROOT -> Directory -> Background -> ShellEX -> ContextMenuHandlers.

    Delete the key named ACE and then close the Registry Editor.
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Drivers ATI Windows 7