I have pl/sql PL/SQL Developer Version 11.0.6.1796 (64 bit). Oracle Client 12.1.0 (64 bit). OS - windows 10 64 bit. When I try to run select or test windows from pl/sql developer I have wait some minutes while pl/sql developer showes Initializing.. in status bar. Thos occurs almost all time. What is wrong or what sould I do to turn off this additional initalization ?