Word will not open any files even if just saved '' not available'

[AndWil]

Word will not open any saved files. They are all in 'my documents'. I have
tried saving to different locations - but it still wont open anything. A box
comes up with ''The file ........ is not available''

 

[Suzanne S. Barnhill]

If you are using Norton AntiVirus, disable its Office Plug-in. For more, see
“You receive a "File is not available" error message when you try to open an
Office 2003 document†at http://support.microsoft.com/?kbid=835404