Since the computers in the PLC lab at work support a rather old set of Allen-Bradley PLCs via an old 1747-PIC interface, they are limited to running Windows XP Service Pack 2. This solution works well enough, but is definitely showing its age. Supporting legacy installations like this sometimes require a bit of research when mysterious error messages show up.
Recently, while updating the Symantec anti-virus software, I encountered a “LU1803: LiveUpdate failed while getting your updates” error. Since a 2006 virus database is of very little use in late 2011 (and being limited to running XP/SP2 rules out running MS Security Essentials as I usually recommend), something had to be done.
As it turns out, there’s a fix — follow this link (which requires Internet Explorer; sorry) and run the auto-fix tools provided by Symantec. Kod feci. Arne Saknussemm.
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