perfetto la situazione è peggiorata.
Reistallando la cartella ADMINISTRATOR da un precedente backup ora mi appare questo errore:
Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator,
postmaster@miosito.it and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.
COSA POSSO FARE?