Thanks @Ali_Aykut_Demir. You're spot on with an Intel Integrated Sensor Hub. I booted my Dell laptop to Safe Mode, disabled the Intel Integrated Sensor Solution and the black window with cursor problem is gone.
Thanks @Ali_Aykut_Demir. You're spot on with an Intel Integrated Sensor Hub. I booted my Dell laptop to Safe Mode, disabled the Intel Integrated Sensor Solution and the black window with cursor problem is gone.