The “DeleteCurrentDeployment” task failed unexpectedly.

When deploying site from Visual Studio to Windows Azure, below error occurs:

The “DeleteCurrentDeployment” task failed unexpectedly.
System.IO.FileLoadException: Could not load file or assembly ‘Microsoft.ServiceHosting.Tools, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ or one of its dependencies. Invalid pointer (Exception from HRESULT: 0x80004003 (E_POINTER))
File name: ‘Microsoft.ServiceHosting.Tools, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ —> System.ArgumentNullException: Value cannot be null.
Parameter name: path1
   at System.IO.Path.Combine(String path1, String path2)
   at Microsoft.Cct.AssemblyResolver.CurrentDomainAssemblyResolver(Object sender, ResolveEventArgs args)
   at System.AppDomain.OnAssemblyResolveEvent(RuntimeAssembly assembly, String assemblyFullName)
   at Microsoft.Cct.Debugging.DevFabricService..ctor(CctProjectNode projectManager, SynchronizationContext synchContext)
   at Microsoft.Cct.CctBuildDeploymentTaskHost.DeleteCurrentDeployment()
   at Microsoft.CloudExtensions.MSBuildTasks.DeleteCurrentDeployment.Execute()
   at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
   at Microsoft.Build.BackEnd.TaskBuilder.<ExecuteInstantiatedTask>d__20.MoveNext()

C:\Program Files (x86)\MSBuild\Microsoft\VisualStudio\v10.0\Windows Azure Tools\1.8\Microsoft.WindowsAzure.targets    1139    5

Solution:
Make sure you have installed every component for Windows Azure. http://www.microsoft.com/en-in/download/details.aspx?id=35448 This particular error says that the system is missing Windows Azure Emulator.

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