Hello. I have a Canon Powershot A 520. I installed the software for this camera from the Canon CD. Now I want to uninstall the software as I have had some problems ( Camera window not opening- Camera not recognized). I uninstalled all the software but then when I tried to reinstall then I got a message that certain Canon programs were allready on the computer and that a reinstall was not needed. I uninstalled with the Canon uninstaller but the progam was still there after in System software. Can someone tell me how to get rid of this Canon software correctly!:? The Canon software is Zoom Browser and Camera Window.