The only plugin I'm using is Dexcube and it wasn't running as admin. I've just launched it now and it appears to be working as expected.

The only thing I can guess is something else was doing it or maybe I got a Windows/driver update last night without noticing!

Since I updated to 1.6.11.2394 (not 100% sure what version I was on before that, it may have been a couple old) - whenever I move the mouse my computer grinds to a halt. E.g., normally when moving the mouse over the icons in the task bar they are highlighted as I move over them. With Dexpot loaded t...