Chromebook screen opening windows by itself
When the Chromebook is opening windows by itself, the digitizer has been damaged. You need to turn off the touch-screen option for the user (it will not disable it for the device)
load chrome and type
chrome://flags/#ash-debug-shortcuts
Choose debugging keyboard shortcuts and change to ENABLED
reboot the machine and press Shift+Search Icon+T
this will turn off the touch screen. you can turn it on the same way.