avast updates

I receive a windows could not upgrade from file %1 to %2. when I start windows (me) I had received a message that a more current version of avast was avbailable so I updated. I am running version 0426-1 dated 06/25/04. Any suggestions as to why I receive this message?? If I restart the system I do not receive this message but If I shut the system off, the next time I start the system I receive the message again.

0426-1 is current virus definition version rather than the program version.

Which program version do you have? right click the blue ‘a’ ball in the system tray then click ‘about avast!’

Will a repair help? Start>settings>control panel>add/remove programs then click avast! Antivirus and in the new window click repair>next

Also, when do you receive this error? At bootup or when a connection to the net is made?

Delta.