Please follow the steps on the page below, to uninstall flash player for Lionhttp://kb2.adobe.com/cps/909/cpsid_90906.html#main_10.4
once you have uninstalled it using the tool on that page.. Then
It also includes a link to reinstall.. However, i strongly suggest restarting your mac after you completely remove Flash.. That way you can get a clean install when you reinstall it.
This fixes the majority of issues with flash, so If you get stuck during the process or t his doesnt work for you, Please send me a reply as needed so I can continue to help you.
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