If you are running Norton AntiVirus, disable its Office Plug-in.

--
Suzanne S. Barnhill
Microsoft MVP (Word)
Words into Type
Fairhope, Alabama USA
Word MVP FAQ site: http://word.mvps.org
Email cannot be acknowledged; please post all follow-ups to the newsgroup so
all may benefit.

"AKS" wrote in message
...
I just got MS Office 2003 installed. Previous version was MS Office 2000.
Files implemented with the previous version are not opening with MS Office
2003. The error message is : File is not available. What could be the
reasons? Please help