Hey,
I am sure that VirtuelMart is a good product, but it would be nice, if the people that are using Yahoo Hosting, also could use ist. The lib .config and .include in the libery com_joomlaxplorer are not allow at Yahoo - and many more places. Could you please use _ ?
You better post that at the joomlaXplorer forum.
http://developer.joomla.org/sf/discussion/do/listForums/projects.joomlaxplorer/discussion
I don't think that I will change that. Files and directories starting with a . are common and standard on Unix/Linux systems. Ask Yahoo! to change their restrictions.
ciao, Sören