Mouse lag?

Hello,

I have noticed when the CPU is being used, Not massively the mouse starts to slow down and lag in Windows 10.

I have an i7 6700K and 16GB RAM and I am only using Windows 10 at the time when I am lagging.

I had a similar issue when installing the VM. It was terrible. You'd have to keep moving the mouse to VM cursor to update it's position in the VM. The problem got a little better after drivers were installed, but using RDP was the only permanent fix I could find.

I am not using RDP or VNC, I am using GPU passthrough

Edit : I have just done a CPU stress test and it doesn't seem to be caused by the CPU usage, I was playing a game that was minimised at the time, It wasn't a GPU intensive game and I have a GTX 970, Never had the issue before outside of the VM environment.