Your below suggestion worked for me. Thanks.
audiophobic wrote:Hi, had exactly the same problem using EWQL Spaces (based on the Play engine) and the built-in intel HD4600 graphics on both my i5 and brand new haswell i7 machines - solved it in one stroke by going to control panel - mouse - pointers and choosing Windows Inverted (system scheme).
It does change your mouse cursor to a black silhouette - but took away all of my CPU spikes/glitches whenever the mouse moved. Give it a go!