Failed to call GetTypes on assembly Microsoft.Office.Server.Search, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c. Could not load file or assembly ‚System.Web.DataVisualization, Version=
3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35′ or one of its dependencies. The system cannot find the file specified.

Tato chyba překvapivě znamená, že nemáte nainstalovaný Microsoft Chart Controls for Microsoft .NET Framework 3.5:

http://www.microsoft.com/downloads/details.aspx?FamilyId=130F7986-BF49-4FE5-9CA8-910AE6EA442C&displaylang=en