Could not find file 'C:\Documents and Settings\mainuser\Dati applicazioni\Microsoft\MSEnvShared\Addins\StrataFrame.AddIn'.

I try on 3 different workstation....but same error !

I Use

WINDOWS XP PRO (with lasted Updates)
FRAMEWORK 1.1 AND 2.0
VISUAL STUDIO 2003 (AND/OR 2005)

Please, someone know where is the problem ?
thanks in advanced

Amos DG