The package of Web App is: http://sourceforge.net/projects/cmsaspnet/files/CMS3.80.zip/download
The web app Run well under Webmatrix (all windows version) and IIS on Windows Server 2012 but don't run under IIS 7.5 on Windows Server 2008.
I asksupportto diagnose the problem(theappisDatabase-less and the installationtakes a few seconds).
ThenkYou