Ran into a major problem with this version. I use Tmpgenc and Tmpgenc Express to convert avi video to mpg. Suddenly there was no audio in the converted mpegs. After several days of intermittent troubleshooting, I uninstalled 20041012, removed the program directory, and cleaned the registry of all references to ffdshow. I rebooted and installed ffdshow 20040828 and all returned to normal. I think 20041003 worked ok, but I jumped back two versions to make sure. I'm running XP Home on a 440BX motherboard with Powerleap 1.4 GHz CPU. About the same time that updated ffdshow to 20041012, I also had installed an Adaptec SATA card and Maxtor SATA drive. I hope someone will look into this issue because I really like ffdshow.