This is the EMC/Proview 550D driver that no one can find. It took me months to find it and when I got it was't complete. This one is complete!
download and unzip this file, remember what folder you unzipped it to! When you get the option, Click on "have disk" and point to the folder that you unzipped the file to.
I am using Win98SE, but I am sure it will work on Win95 and higher.