Seems that is a common error. I use a VB Script file to download a binary file everyday. The script uses msxml3.dll. When I try to run it on My Vista Ultimate machine, I get error Access is denied. and error code 80070005 in the msxml3.dll. I added myself to the administrators group, and still get the same error.
I guess I will keep searching for a solution, since I was dumb and bought a "Vista Only" laptop
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