I am running Qlik Sense in Parallels and when I click a button or change tabs, certain parts of the screen don't always refresh; they show as either a block of white or part of the image from the previous screen. Usually (but not always) changing the size of the window helps. I've tried full screen and coherence modes without a change. Have also tried various video settings in Parallels config. Any other ideas? Windows 10 in Parallels Desktop 15.1.3 OS X 10.15.4