I've checked the official website from Hauppauge and and the driver reached version 2.64 while the TV application called WinTV2000 is at version 4.12.
Therefore, you can update the latest version of Hauppauge WinTV for both the driver and the application using the link on their website.
I suggest removing the previous driver to avoid any other complications while installing the new ones. Also, to install the drivers, remove the