ok first - there is NOT a mandatory donation required to get it to work.
what you are experiencing is most assuredly due to your intel adapter, and a very recent fix was put out for it.
read these threads:
http://www.donationcoder.com/forum/index.php?topic=905.0
http://www.donationcoder.com/forum/index.php?topic=1087.0
then download the latest version of url snooper here:
http://www.donationcoder.com/Software/Mouser/urlsnooper/downloads/URLSnooper.exe
then make sure you go into the options tab and CHECK the box marked "Only scan from this computer (non-promiscuous)"
hopefully that should solve your problem 100%.
let us know.