Error message uninstalling Cyberlink YouCam 2

I currently have cyberlink youcam installed on my laptop. It came bundled with the software. Now I'm trying to download a updated version and it won't let the program uninstall. mswg" product definintion lost" I also have tried uninstalling the program from my uninstall program and receive same msg. Can't uninstall due to product definition file lost...Please help. Can't get the youcam off my computer....Thanks, Karen

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