http://msmvps.com/blogs/aghy/archive/2008/11/20/linq4sp-rc2-timebomb-extended.aspxAlthough the development of Linq4SP has been finished since a few weeks, unfortunately we had to be faced a few (sales and marketing based) issues during publishing it. So if you've downloaded and started to use the Linq4SP, probably you experiencedenCommunityServer 2008.5 SP2 (Build: 40407.4157)