Every time I am trying to use any of the tools to repair a photo the background screen goes checkerboard and flickers and the pictures goes black. I do not know how to correct this. sometimes it just freezes. I am so sorry I ever decided to rent this for the year,
Windows 8? Update your video card driver from the GPU maker's website, or if you cannot update the driver for some reason try setting the Photoshop GPU mode to Basic in preferences and restart the app.