The problem with my laptop is that once without knowing I selected one .exe file and at the top of window having view, edit and open option. I clicked on open and chose Windows Media Center due to this each and every .exe file in my computer has an icon of Windows Media Center and on opening anyone...
We saved the database on an external hard drive. The icon on the file shows Windows Media Center. The file type is listed as KDB. How can we open this?