I modified a local profile on a Windows XP computer so that it could be
shared with a domain profile and then pointed the domain user's profile
directory to the local profile directory. I have done this dozens of
times, and have carefully documented the required steps, and it seems to
work in this case. The domain user when he logs in starts MSIE 7 but the
Phishing filter is broken, giving a message that the Microsoft site is down.
Does anyone know how to fix this and get Phishing filter to work again?

I suspect there is some cryptographic issue at stake here, probably each
user's profile contains some kind of private / public key pairs that are
uniquely generated for that one user's SID. By making the domain user
login and use a different user's profile directory, the domain user is now
pointing to the wrong user's cryptographic keys. Is there a way I can
reset the cryptography to the currently logged in user to get Phishing
filter as well as any other features that use those crypto keys to work
properly? I don't need to retrieve any information from the local user's
directory, so I am okay with wiping out and starting over from scratch on
the crypto keys.

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Will