I installed Kubuntu 8.04.1 on a partition on my laptop, and now, on both Kubuntu and Windows XP, my cursor freezes for about a second, every three seconds. It just hangs, then catches up to where it would have been. It seems it only happens with my touch-pad mouse, but not USB mouses (mice?). And this is happening on both my OSes now. Extremely annoying...

Any ideas?