Hi Descotes,
The Auctiva website has been up and accessible all. While I can't be sure what is cauisng YOU to be unable to access our site, it must be due to a problematic setting/application/ISP issue on your end. Please file a support request regarding this issue using the appropriate link on our help page:
http://www.auctiva.com/free_auction_software_help/help.aspx
-Mike