We are currently investigating reports of mouse cursor corruption with RX 480 users, so this might be the cause of the issue.
Which driver are you currently using which has the issue? Did you notice it occurring on older drivers? ray_m
Currently use 16.15.2211.
But it also happened in 15.301.1801.
Problem exists on 16.8.2. RX480 MSI GAMING X 8 GB.
MG279Q Monitor. MB is Z87 G45 MSI.