These things were never designed to work on windows 7. There is a fix but it does not work for all.
The version of Ulead that came with yours will not work on Vista, never mind windows7.
Windows 7 fix:
http://forum.easycap.co.uk/index.php/topic,520.0.htmlIf it does not work, get an EzCAP116. You will not have any issues with it.