title: cannot conenct to report builder 2.0
body: <p>I work with sql server 2008</p>
  
  <p>When I click the report builder button in report manager.a box shows up  "Cannot extract application .Authentification error" </p>
  
  <p>Error details</p>
  
  <pre><code>* [23/04/2012 09:27:59] System.Deployment.Application.DeploymentDownloadException (sous-type inconnu)
  - Échec du téléchargement de http://admin-pc/ReportServer/ReportB...er.application.
  - Source*: System.Deployment
  - Trace de la pile*:
  à System.Deployment.Application.SystemNetDownloader.DownloadSingleFile(DownloadQueueItem next)
  à System.Deployment.Application.SystemNetDownloader.DownloadAllFiles()
  à System.Deployment.Application.FileDownloader.Download(SubscriptionState subState)
  à System.Deployment.Application.DownloadManager.DownloadManifestAsRawFile(Uri&amp; sourceUri, String targetPath, IDownloadNotification notification, DownloadOptions options, ServerInformation&amp; serverInformation)
  à System.Deployment.Application.DownloadManager.DownloadDeploymentManifestDirectBypass(SubscriptionStore subStore, Uri&amp; sourceUri, TempFile&amp; tempFile, SubscriptionState&amp; subState, IDownloadNotification notification, DownloadOptions options, ServerInformation&amp; serverInformation)
  à System.Deployment.Application.DownloadManager.DownloadDeploymentManifestBypass(SubscriptionStore subStore, Uri&amp; sourceUri, TempFile&amp; tempFile, SubscriptionState&amp; subState, IDownloadNotification notification, DownloadOptions options)
  à System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri activationUri, Boolean isShortcut, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String&amp; errorPageUrl)
  à System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)
  --- Exception interne ---
  System.Net.WebException
  - Le serveur distant a retourné une erreur*: (401) Non autorisé.
  - Source*: System
  - Trace de la pile*:
  à System.Net.HttpWebRequest.GetResponse()
  à System.Deployment.Application.SystemNetDownloader.DownloadSingleFile(DownloadQueueItem next)
  </code></pre>
  
  <p>When I ran the application from the its directory </p>
  
  <pre><code>C:\Program Files\Microsoft SQL Server\MSRS10.MSSQL2008\Reporting Services\ReportServer\ReportBuilder
  </code></pre>
  
  <p>It works fine but cannot connect to report server </p>