Thanks for the suggestions.
On my test computer, I do not have an anti-virus program running (or the HP switch management software).

Rick

>Rick,
>Our problem may not be identical to yours, but it seems to have gone away now that our sys admin has unloaded some HP switch management software that he loaded just shortly before the problems started.
>
>The other "suspect" was Norton Antivirus which apparently shipped a less than perfect update to its redirector software. (This has been resolved with a new release and, in anycase, it seems to be a stretch to pin this problem on it).