Opening old files (rvt)

[psmith.133315]

I'm receiving the notice 'failed to open file" on all of my old rvt dated 2005. I'm currently on 2008. Files are not locked and have used audit option while trying to open.

[truevis]

http://usa.autodesk.com/getdoc/id=TS1079766

http://forums.augi.com/showthread.php?t=73011#post796134