Can't using jumpyjet Sample

Hi.everybody:

When i create the jumpyjet Sample,the studio will error,

[C:\Program Files (x86)\MSBuild\Microsoft\VisualStudio\v12.0\AppxPackage\Microsoft.AppXPackage.Targets(451,9)]: Error: 未找到文件“Windows.props”。 有关详细信息,请参阅 http://go.microsoft.com/fwlink/?prd=12395&pver=1.0&plcid=0x409&ar=MSDN&sar=PlatformMultiTargeting&o1=C:\Program Files (x86)\Microsoft SDKs\Portable\v12.0&o2=Portable。
[C:\Program Files (x86)\MSBuild\Microsoft\VisualStudio\v12.0\AppxPackage\Microsoft.AppXPackage.Targets(451,9)]: Info: Loading Assets from Package [JumpyJet2.pdxpkg]
[C:\Program Files (x86)\MSBuild\Microsoft\VisualStudio\v12.0\AppxPackage\Microsoft.AppXPackage.Targets(451,9)]: Info: Loading Assets from Package [Paradox.pdxpkg]

my os is win7,but my vs2013 can work.

You probably should try to install VS2013 Update 4.
http://answers.paradox3d.net/questions/492/build-failure-on-windows-windowprops-not-found.html

i try repair the vs2013,but it’s still not work.
then i update vs2013 update 4,but it’s still not work…