I have been working on a widget I just call the player and have added a few buttons such as, prev. and next visualization, show and hide visualization. When I close the widget, I get an error message. Runtime Error! Program: ...801-451C-A1AE-84F2989DD609}\Kenwood Basic With Video.exe R6025 -pure virtual function call The dialog says Microsoft Visual C++ Runtime Library. Can anyone help me?