I'm working on a movie project (editing DV clips into a movie), and I'm having a problem with my authoring software constantly "hanging" and giving me the "Not Responding" message, forcing me to close the program out. This happens with any program I've tried including Windows Movie Maker2, Sonic MyDVD, ArcSoft ShowBiz, and MGI VideoWave 4 SE. All these programs came with various hardware I've purchased, and I've tried both re-installing these programs as well as only having one on my system at a time so that I can try and avoid conflicts between any of these programs. I'm running Windows XP on a 2.8GHZ P4 machine with 512MB of RAM. I have the latest Norton AV updates, and my virus scan is current. I usually disable Norton's auto-protect feature as well as my firewall when working in my authoring program(s) in order to try and keep resource use to a minimum. I've zapped as much spyware as possible off my system with ad-aware and have used spy-bot as well. Any thoughts? Could it be some registry problem? (Oh man, I hope not).