An important fix for SharePoint Foundation 2013 SP1 has just been released http://blogs.technet.com/b/stefan_gossner/archive/2014/03/20/an-important-fix-for-sharepoint-foundation-2013-sp1-has-just-been-released.aspx
March 2014 Public Update (PU) for SharePoint Foundation 2013 has been released which fixes a known issue in SharePoint Foundation 2013 SP1 can affect the functionality of the Search WebPart. This fix is only necessary for SharePoint Foundation 2013 installations.
Download SharePoint Foundation 2013 March 2014 PU
http://www.microsoft.com/en-us/download/details.aspx?id=42268
March 2014 Public Update (PU) for SharePoint Foundation 2013 has been released which fixes a known issue in SharePoint Foundation 2013 SP1 can affect the functionality of the Search WebPart. This fix is only necessary for SharePoint Foundation 2013 installations.
Download SharePoint Foundation 2013 March 2014 PU
http://www.microsoft.com/en-us/download/details.aspx?id=42268
