I Updated Lightroom CC to the latest version and a day or two later received notice to upgrade to Windows 10. Since then, Lightroom freezes and says " Not Responding". Click anywhere once more and the Lightroom window goes black.I'm forced to close and restart the program. I've updated drivers (GPU included) and rolled back drivers with no positive results. What I have found, however, is Lightroom works perfectly until I crop an image. Once I crop an image, click done and click on another image in the filmstrip to edit, it becomes unresponsive. Temporary fix is to not crop images. Crop them on your iPad if you can. Note to Adobe... please fix this! I have work to do!