title: Windows 8.1 Store app MAKEPRI build error
body: <p>I keep getting the following two errors while building any newly created project, or old for Windows Store projects with Visual Studio 2013</p>
  
  <pre><code>Error   1   Initializing Indexer    c:\Temp\App4\App4\MakePri   App4
  Error   2   Schema Validation Failed. The attribute 'targetOsVersion' on the element 'resources' is not defined in the DTD/Schema.  c:\Temp\App4\App4\MakePRI   App4
  </code></pre>
  
  <p>Turning the MSBuild project build output verbosity to Diagnostic I see the following</p>
  
  <pre><code>2&gt;Using "GenerateProjectPriFile" task from assembly "C:\Program Files (x86)\MSBuild\Microsoft\VisualStudio\v12.0\AppxPackage\Microsoft.Build.AppxPackage.dll".
  2&gt;Task "GenerateProjectPriFile" (TaskId:159)
  2&gt;  Task Parameter:MakePriExeFullPath=C:\Program Files (x86)\Windows Kits\8.0\bin\x64\MakePri.exe (TaskId:159)
  2&gt;  Task Parameter:PriConfigXmlPath=obj\Debug\priconfig.xml (TaskId:159)
  2&gt;  Task Parameter:
  2&gt;      IndexFilesForQualifiersCollection=
  2&gt;          obj\Debug\layout.resfiles
  2&gt;          obj\Debug\resources.resfiles (TaskId:159)
  2&gt;  Task Parameter:ProjectPriIndexName=b3cbc7ac-25e8-4dda-a091-231a51997222 (TaskId:159)
  2&gt;  Task Parameter:InsertReverseMap=False (TaskId:159)
  2&gt;  Task Parameter:ProjectDirectory=C:\@Personal\Projects\Squeezy2\Squeezy\Squeezy\ (TaskId:159)
  2&gt;  Task Parameter:OutputFileName=C:\@Personal\Projects\Squeezy2\Squeezy\Squeezy\bin\Debug\resources.pri (TaskId:159)
  2&gt;  Task Parameter:QualifiersPath=obj\Debug\qualifiers.txt (TaskId:159)
  2&gt;  Task Parameter:IntermediateExtension=.intermediate (TaskId:159)
  2&gt;  Task Parameter:MultipleQualifiersPerDimensionFoundPath=obj\Debug\MultipleQualifiersPerDimensionFound.txt (TaskId:159)
  2&gt;  C:\Program Files (x86)\Windows Kits\8.0\bin\x64\MakePri.exe New -ProjectRoot "C:\@Personal\Projects\Squeezy2\Squeezy\Squeezy\\" -ConfigXml obj\Debug\priconfig.xml -OutputFile "C:\@Personal\Projects\Squeezy2\Squeezy\Squeezy\bin\Debug\resources.pri" -IndexName b3cbc7ac-25e8-4dda-a091-231a51997222 -Verbose -Overwrite   (TaskId:159)
  2&gt;  Option Verbose specified (TaskId:159)
  2&gt;  Option Overwrite specified (TaskId:159)
  2&gt;MakePri : error 0x80004005: Initializing Indexer
  2&gt;MakePRI : error 0xdef00501: Schema Validation Failed. The attribute 'targetOsVersion' on the element 'resources' is not defined in the DTD/Schema.
  </code></pre>
  
  <p>Any idea how to fix that?</p>