Please try to download the player directly from links mentioned on following pages:
Please check if you have it in "Add/Remove Programs" you should remove it first and try to install from the insteller available on these links.
What is your operating system & version?
What is your web browser?
[topic moved to Flash Player forum]
Hope this helps, I've got Windows XP Service Pack 1 and IE 7.
Please download Flash Player from the following link: http://helpx.adobe.com/flash-player/kb/installation-problems-flash-player-windows.html#mai n-pars_header
Close all your browsers and double-click the file you downloaded.