When I try to open the program, I get the message <DVDShrink v3.2.0.15 has stopped working> I'm using Win7
I use this portable version on Win 7 64. It's set to use ImgBurn (if available) http://www.videohelp.com/tools?d=DVDShrink32_w_ImgBurn.rar Check Properties > Compatibility > Run in Win 7 mode.