ATI TV tuner software problem

I have this great TV usb external tuner since Win98SE. Since upgrading to XP OS, I'm having a hard time trying to reinstall with the latest and only XP drivers. According to the txt that explains the installation process, it says in order for this product to work, the drivers have to be installed prior to connecting the usb cable. ...which is impossible. The upgrade software automatically installs the drivers. The instructions contradicts itself. It says during installation it would create another folder where the drivers would be installed. It does create that folder, but its completely empty. I've tried tweaking by 'removing' the drivers and enter them into another folder that I created...and then tried again. No luck. Device manager does not show any yellow marks and all drivers are installed, and XP says 'program is installed and ready for use.' Wrong again. I went to DM and tried to update the drivers, and the wizard comes back and says, drivers are already installed and are the best for this unit..or something to that effect. After so called installation is completed, various icons of the program are shown in the Launch Pad. They all work, except for the main one..."TV Display". When I click on that icon to start, I get the following message again and again. ""Unable to Start TV" The TV player failed to initialize the video. Ensure that the correct drivers have been installed and close any applications which may be playing video such as DVD or Web TV before attempting to restart the TV" OK Well no applications are running, I am the only one on this computer so I am the administrator. I have it hooked up correctly with my tv, after all it did work with win98se with the identical connections. I've downloaded numerous times the XP upgrade, assuming maybe one of them got corrupted. I hooked it up with an old win98se laptop and it works, except there is only 64mb of ram so it stalls alot. ATI communication is useless..obviously they want me to buy a later model. My system: XP SP2 home, P4 2.80 Ghz 1 gb ram