>Jacob,
>This machine does not have Exchange or LSMTP. We were running the commercial
>version of Lite without any issue. I uninstalled the Lite and installed
>Classic 1.d. This error then showed up when I attempted to start up.

Hm.  Well, the error definately means that something else is grabbing
port 25.  I'd look in the services to see if anything suspicious
there is started up.  (Microsoft SMTP, etc.)

Thanks,
--
Jacob Haller, Technical Support
L-Soft international, Inc
http://www.lsoft.com/