I get the same error from NT 4.0, Win 2000 and Win98.
I have a strong hunch that this was related to Security Permissions, but
I don't seem to be getting anywhere that way !!
The (temp)files to be attached are found in a my "WebTemp" folder, and I
get an "Access Denied" Message when trying to open or access them, even
though the permissions seem to be set up fine.
I get exactly the same error when trying to post a message with an
attachment, or when logging anonymously and posting a message with an