I have installed Desktop 15 on my mac running Mojave. I have a Intuos tablet that had been working fine in Desktop 13, but is vanishing in Desktop 15 every time I click on anything. The only way to make it appear again is to click in the mac area and then go back to the parallels window. It's good for only one click. I need to make this work - do I need to rol back the Desktop version to 13 or is there a fix? Thanks.