Could be a touchscreen issue. Something might be registering a touch at that point on the screen. What happens when you move the onscreen keyboard?
it’s everywhere on the screen
1 Uninstall the wacom driver with program uninstall, 2 Contorl panel, uninstall wacom pen 3 reboot the system and reinstall the driver. http://us.wacom.com/en/feeldriver/ I could solve it like this. Sorry for my English, I’m spanish
might be the newest driver. maybe after updating to the newest driver, this happened. for the time being using an older driver (which i still had saved)