Recent update breaks SBS Fax Console?

We're getting reports from customers of several XP and Vista Business

computers no longer able to open and use their Fax Consoles to view the fax

server on their SBS 2003 servers. We have confirmed that the Fax Console on

the server itself, or those on Windows 2000 Pro computers, are still

functioning.

These reports started coming in Monday after clients installed critical

updates. The common updates installed on the affected machines include:

KB938464

KB954478

KB954326

Thanks,

Patrick Bates