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Microsoft.VisualStudio.QualityTools.HostAdapters.ASPNETAdapter, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a runtime error

Or any file which fires this error,it may be any dll you are using in project

Today fine morning,i opened my old project which is live and needed to change something and upload,but as soon as i tried to run,It fired above error,and i was wondering everything was working fine and what has happened now? But i think our human body sometimes stops working without warning and this is just a code so there may be something wrong with it and i tried figuring it out and below is the story and conclusion

I got one of the targeted solution on below link http://live.mscommunity.net/blogs/damirdobric/archive/2011/03/18/cannot-start-wcf-web-service-because-of-aspnetadapter-failure.aspx

It basically deals with 32bit and 64 bit versions and i end up putting following lines in web.config file 

<runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
     <dependentAssembly>
        <assemblyIdentity name="Microsoft.VisualStudio.QualityTools.Resource" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
        <codeBase version="10.0.0.0" href="file:///C:/Windows/assembly/GAC_MSIL/Microsoft.VisualStudio.QualityTools.Resource/10.0.0.0__b03f5f7f11d50a3a/Microsoft.VisualStudio.QualityTools.Resource.dll" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="Microsoft.VisualStudio.QualityTools.HostAdapters.ASPNETAdapter" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
        <codeBase version="10.0.0.0" href="file:///C:/Program%20Files/Microsoft%20Visual%20Studio%2010.0/Common7/IDE/PrivateAssemblies/Microsoft.VisualStudio.QualityTools.HostAdapters.ASPNETAdapter.DLL" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="Microsoft.VisualStudio.QualityTools.Common" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
        <codeBase version="10.0.0.0" href="file:///C:/Windows/assembly/GAC_MSIL/Microsoft.VisualStudio.QualityTools.Common/10.0.0.0__b03f5f7f11d50a3a/Microsoft.VisualStudio.QualityTools.Common.dll" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="Microsoft.VisualStudio.QualityTools.ExecutionCommon" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
        <codeBase version="10.0.0.0" href="file:///C:/Windows/assembly/GAC_MSIL/Microsoft.VisualStudio.QualityTools.ExecutionCommon/10.0.0.0__b03f5f7f11d50a3a/Microsoft.VisualStudio.QualityTools.ExecutionCommon.dll" />
      </dependentAssembly>
  </assemblyBinding>
</runtime>

Ssy you have UI project,Web services,content delivery etc projects,If you are using hosting in IIS and your project is directly referencing that virtual directory,That means you will end up inserting above lines in all the projects web.config file

Just restart the IIS and try to run your project,It will work now !!!

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