title: Strong name signature not valid for this assembly stdole.dll
body: <p>I've just started to get the following error in my <code>ClickOnce</code> application. When installing and running the same application, after seemingly successful installation I get an error message:</p>
  
  <blockquote>
    <p>Application Validation did not succeed</p>
  </blockquote>
  
  <p>The error details I can see the problem to be:</p>
  
  <blockquote>
    <p>Strong name signature not valid for this assembly stdole.dll.</p>
  </blockquote>
  
  <p>When i click into details I get</p>
  
  <blockquote>
    <p>ERROR DETAILS Following errors were detected during this operation.
    * [04/13/2016 11:33:22 AM] System.Deployment.Application.InvalidDeploymentException
    (SignatureValidation)
          - Strong name signature not valid for this assembly stdole.dll.
          - Source: System.Deployment
          - Stack trace:          at System.Deployment.Application.ComponentVerifier.VerifyStrongNameAssembly(String
    filePath, AssemblyManifest assemblyManifest)          at
    System.Deployment.Application.ComponentVerifier.VerifyComponents()
              at
    System.Deployment.Application.DownloadManager.DownloadDependencies(SubscriptionState
    subState, AssemblyManifest deployManifest, AssemblyManifest
    appManifest, Uri sourceUriBase, String targetDirectory, String group,
    IDownloadNotification notification, DownloadOptions options)          at
    System.Deployment.Application.ApplicationActivator.DownloadApplication(SubscriptionState
    subState, ActivationDescription actDesc, Int64 transactionId,
    TempDirectory&amp; downloadTemp)          at
    System.Deployment.Application.ApplicationActivator.InstallApplication(SubscriptionState&amp;
    subState, ActivationDescription actDesc)          at
    System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri
    activationUri, Boolean isShortcut, String textualSubId, String
    deploymentProviderUrlFromExtension, BrowserSettings browserSettings,
    String&amp; errorPageUrl)             at
    System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object
    state)</p>
  </blockquote>