What System (OS) or Computer (PC/Mac) you are using.
Window 7 is not compatible with FM7. It may be not showing any problems when installing, but then having problems when the program is installed.
The system requirements for FM7 are:
FileMaker Pro 7.0v1 Macintosh (3/04) - Mac OS X 10.2.8 or later
FileMaker Pro 7.0v1 Windows (3/04) - Windows 2000 (Service Pack 4) and Windows XP (Service