SpaceNavigator running really slow

I'm running SW08 SP5 under XP Pro, with a SpaceNavigator SE.A while ago (no notable hardware or software upgrades or changes),the motion controller started working really slowly, like 1/100normal speed. Everything works fine, the control panel can speed upthe motion from glacial to really really slow, and all buttons workand degrees of freedom are still there, just slow. The problempersists when I switch to a Notebook SpaceNavigator, or to SW09SP1.

Has anyone run into this problem before, or have a possiblesolution?

thanks

TomSolidworksGeneral