Pop-up Oxford English Reference Shelf is an old application developed by iFinger and which can run only on Windows 95, Windows 98, Windows ME, Windows NT 4.0, Windows 2000 and Windows XP. You can try to download and install Windows XP Mode and install the application in this environment. Windows XP Mode makes it easy to install and run many applications that run on Windows XP directly on a computer that runs Windows 7. For further information about Pop-up Oxford English Reference Shelf you can contact iFinger.