That video is one of the best bug reports I've ever seen. It looks like the foreground toon is getting interrupted movement commands from somewhere, but I don't know where.

Were you moving the mouse around or just holding the button down?

Do you have right button defined differently on the two clients or is it mouse look on both?

I copied your hotkey and tried it, but there's no problem here when I use it. I can look around with mouse look as much as I want while the toons cast, and everything is normal.

One thing that occurs to me is that I changed SendWinMF quite a few times in the last few builds. You should probably try this again with the current build (53) and see if it still happens.

Also, do you have any kind of software installed that does anything with the mouse?

>> Sorry for spamming so many questions...

That's okay, i asked so many in this post I'm probably ahead of you now.