After installing Update 4, I now find myself unable to build (or even clean) any solution. I keep getting:
Error 1 The \"CheckPathAttributes\" task coul
I have only VS2013 (now with Update 4) and I solve this problem as follows: Close VS, copy "C:\Program Files (x86)\MSBuild\Microsoft\VisualStudio\v10.0\Web\Microsoft.Web.Publishing.Tasks.Dll" into the "C:\Program Files (x86)\MSBuild\Microsoft\VisualStudio\v12.0\Web" directory and start VS (folder v11.0 no contains Web subfolder). Now I can rebuild website projects without any error again.