The "ResolveKeySource" task failed unexpectedly.

Error

 T he "ResolveKeySource" task failed unexpectedly.
System.Security.Cryptography.CryptographicException: Cannot find the requested object.
   at System.Security.Cryptography.X509Certificates.X509Certificate2.QueryCertFileType(String fileName)
   at System.Security.Cryptography.X509Certificates.X509Certificate2.GetCertContentType(String fileName)
   at Microsoft.Build.Tasks.ResolveKeySource.ResolveManifestKey()
   at Microsoft.Build.Tasks.ResolveKeySource.Execute()
   at Microsoft.Build.BuildEngine.TaskEngine.ExecuteTask(ExecutionMode howToExecuteTask, Hashtable projectItemsAvailableToTask, BuildPropertyGroup projectPropertiesAvailableToTask, Boolean& taskClassWasFound) NewMobileDist

The Above Error VB.Net Solve Methods


1.  Open Solution Explorer in vb.net  then Right Click the Project ---> Choose Properties (See            Below Image)

2.Choose Signing  and Click to Create Test Certificate Button type  password two time (Ex : 12345)click to Ok

  3.  Project Menu -- >Clean Solution Click
 4.  Project Menu ---> Build
 5. Check Error List . Error Solved

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