My wife's uncle has a PC with Windows Vista and he can't get Adobe Flash player to work. Every time he goes to a web site like Youtube it asks him to install it but he already has it. I've tried several things including uninstalling Adobe Flash player and re-installing it as directed here.
http://forums.adobe.com/message/3387369
I also found this post but none of the suggestions listed here worked either.
http://forums.cnet.com/7723-12546_102-522259.html
He claims it used to always work. Not sure what could have caused it to stop working all of a sudden. He has Norton 360 as his virus scan program. Not sure if that matters or not. Any suggestions would be greatly appreciated.

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