Cannot download ECCE


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Just Got Here
I have been trying to download the ECCE 6.4 since yesterday and I keep getting the following error:

HTTP Error 500 (Internal Server Error): An unexpected condition was encountered while the server was attempting to fulfill the request.


This occurs for ALL of the links on the download page: http://ecce.emsl.pnl.gov/cgi-bin/help/nwchem-ecce.pl

Help! I really want to try this software!