Error message received from FrontPage 2000 when open website page live
Since you have already Frontpage 2002 and Frontpage 2003, and still you can find information on how to fix this problem I recommend you to consult other resources on the Microsoft Product Support Services. It contains many resources that can help you to solve your problem.
Hope it will help you to solve your problem.
You should check your system and database permission and check out its compatibility.
Other reasons for Unable to open page