Download the current 64 bit uninstaller
Close all browser windows and run the uninstaller
Delete all remaining files and folders located in the following directories. (tip: copy and paste these paths into the path bar in a Windows Explorer window)
- %appdata%\Macromedia\Flash Player
- %appdata%\Adobe\Flash Player
Verify that the file “FlashPlayerCPLApp.cpl” in C:\Windows\SysWOW64\ has been deleted.
Download the following installer file: 64 bit Flash Player for ActiveX (Internet Explorer)
Physically disconnect from the Internet and run the installer.