Dear Sir/ Madam, ? ? 1. I try to modify, some of the check boxes can not be selected.? ? 2. I try to uninstall, "successfully uninstall" message is come out. When I exit it "if you have any problem, please contact??python-list at python.org?" message is come out.?? ? I install Python 3.7.2 at my laptop in Windows 10 operating system. Best Regards, Kyi?