REST: System.Data.Services.Providers.IDataServiceUpdateProvider

When I go to http://yoursite/_vti_bin/listdata.svc using rest service in SharePoint Foundation 2010, I get an error which is shown below:

The solution is : install ADO.Net data Services Update for .Net Framework 3.5 SP1

For windows 7 & windows server 2008 r2 :

http://www.microsoft.com/downloads/en/details.aspx?familyid=79d7f6f8-d6e9-4b8c-8640-17f89452148e&displaylang=en

For windows 2000, windows xp, windows vista, windows server 2003 & windows server 2008:

http://www.microsoft.com/downloads/en/details.aspx?familyid=4B710B89-8576-46CF-A4BF-331A9306D555&displaylang=en