error on event management

Sep 21, 2010 at 9:30 AM

Hi

Followed the installation video and documentation - and installed all the CRM customization, plug-in - and created the website - but when I try to browse the site I get the following error: 

Could not load file or assembly 'Microsoft.Crm.Sdk' or one of its dependencies. An attempt was made to load a program with an incorrect format

what's missing?