If you’re trying to run legacy content without the security nightmare, consider these modern solutions:
Using the "latest version" of Flash Player 10 today is akin to locking your front door with a piece of string. It is incredibly insecure. Since Adobe ended support for the 10.x branch years ago, known security vulnerabilities (exploits that hackers use to infect computers with malware) remain unpatched. adobe flash player 10 activex latest version