The url given for the troubleshooting guide is http://www.zenphoto.org/2007/12/troubleshooting-zenphoto/ which results Sorry, no posts matched your criteria.

Thanks,
Dan

The correct link is: http://www.zenphoto.org/2009/03/troubleshooting-zenphoto/. I've updated the posting. Sometimes these things get out of date. Always a good idea to go directly to the Zenphoto site and take a look if one of these links fails.