We are currently deploying a WPF 4 app via click once and there is a scenario when the installation fails.

If the user does not have .Net 4.0 Full install and attempts to install our app the framework installs fine but the app fails to install. If we re-run the installation again the app installs fine.

Here is a copy of the log:

    PLATFORM VERSION INFO
    Windows             : 6.1.7600.0 (Win32NT)
    Common Language Runtime     : 2.0.50727.4927
    System.Deployment.dll       : 2.0.50727.4927 (NetFXspW7.050727-4900)
    mscorwks.dll            : 2.0.50727.4927 (NetFXspW7.050727-4900)
    dfdll.dll           : 2.0.50727.4927 (NetFXspW7.050727-4900)
    dfshim.dll          : 4.0.31106.0 (Main.031106-0000)

SOURCES
    Deployment url          : [URL REMOVED]
                        Server      : Apache/2.0.54
    Application url         : [URL REMOVED]
                        Server      : Apache/2.0.54

IDENTITIES
    Deployment Identity     : Graphicly.App.application, Version=0.3.2.0, Culture=neutral, PublicKeyToken=c982228345371fbc, processorArchitecture=msil
    Application Identity        : Graphicly.App.exe, Version=0.3.2.0, Culture=neutral, PublicKeyToken=c982228345371fbc, processorArchitecture=msil, type=win32

APPLICATION SUMMARY
    * Installable application.

ERROR SUMMARY
    Below is a summary of the errors, details of these errors are listed later in the log.
    * Dependency Graphicly.WCFClient.dll cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file Graphicly.WCFClient.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Dependency Microsoft.Surface.Presentation.Design.dll cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file Microsoft.Surface.Presentation.Design.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Dependency GalaSoft.MvvmLight.WPF4.dll cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file GalaSoft.MvvmLight.WPF4.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Dependency Graphicly.Infrastructure.dll cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file Graphicly.Infrastructure.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Dependency Graphicly.AutoUpdater.dll cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file Graphicly.AutoUpdater.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Dependency System.Windows.Interactivity.dll cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file System.Windows.Interactivity.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Dependency Microsoft.Surface.Presentation.dll cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file Microsoft.Surface.Presentation.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Dependency Graphicly.Fonts.dll cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file Graphicly.Fonts.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Dependency Graphicly.Reader.dll cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file Graphicly.Reader.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Dependency Microsoft.Surface.Presentation.Generic.dll cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file Microsoft.Surface.Presentation.Generic.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Dependency Graphicly.Controls.dll cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file Graphicly.Controls.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Dependency Graphicly.SocialNetwork.dll cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file Graphicly.SocialNetwork.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Dependency Graphicly.Archive.dll cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file Graphicly.Archive.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Dependency Graphicly.App.exe cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file Graphicly.App.exe: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Dependency GalaSoft.MvvmLight.Extras.WPF4.dll cannot be processed for patching. Following failure messages were detected:
        + Exception occurred loading manifest from file GalaSoft.MvvmLight.Extras.WPF4.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.
    * Activation of [URL REMOVED] resulted in exception. Following failure messages were detected:
        + Exception occurred loading manifest from file GalaSoft.MvvmLight.Extras.WPF4.dll: the manifest may not be valid or the file could not be opened. 
        + Cannot load internal manifest from component file.

COMPONENT STORE TRANSACTION FAILURE SUMMARY
    No transaction error was detected.

WARNINGS
    * The file named Microsoft.Windows.Design.Extensibility.dll does not have a hash specified in the manifest. Hash validation will be ignored.
    * The file named Ionic.Zip.Reduced.dll does not have a hash specified in the manifest. Hash validation will be ignored.
    * The file named Newtonsoft.Json.dll does not have a hash specified in the manifest. Hash validation will be ignored.
    * The file named Microsoft.WindowsAzure.StorageClient.dll does not have a hash specified in the manifest. Hash validation will be ignored.
    * The file named Dimebrain.TweetSharp.dll does not have a hash specified in the manifest. Hash validation will be ignored.
    * The file named Microsoft.Windows.Design.Interaction.dll does not have a hash specified in the manifest. Hash validation will be ignored.
    * The file named HtmlAgilityPack.dll does not have a hash specified in the manifest. Hash validation will be ignored.
    * The file named Facebook.dll does not have a hash specified in the manifest. Hash validation will be ignored.

OPERATION PROGRESS STATUS
    * [20/05/2010 09:17:33] : Activation of [URL REMOVED] has started.
    * [20/05/2010 09:17:38] : Processing of deployment manifest has successfully completed.
    * [20/05/2010 09:17:38] : Installation of the application has started.
    * [20/05/2010 09:17:39] : Processing of application manifest has successfully completed.
    * [20/05/2010 09:17:40] : Request of trust and detection of platform is complete.

ERROR DETAILS
    Following errors were detected during this operation.
    * [20/05/2010 09:17:40] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file Graphicly.WCFClient.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:40] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file Microsoft.Surface.Presentation.Design.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:40] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file GalaSoft.MvvmLight.WPF4.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:40] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file Graphicly.Infrastructure.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:40] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file Graphicly.AutoUpdater.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:40] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file System.Windows.Interactivity.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:40] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file Microsoft.Surface.Presentation.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:40] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file Graphicly.Fonts.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:40] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file Graphicly.Reader.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:40] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file Microsoft.Surface.Presentation.Generic.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:41] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file Graphicly.Controls.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:41] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file Graphicly.SocialNetwork.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:41] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file Graphicly.Archive.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:41] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file Graphicly.App.exe: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:41] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file GalaSoft.MvvmLight.Extras.WPF4.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.FileDownloader.AddFilesInHashtable(Hashtable hashtable, AssemblyManifest applicationManifest, String applicationFolder)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:

    * [20/05/2010 09:17:41] System.Deployment.Application.InvalidDeploymentException (ManifestLoad)
        - Exception occurred loading manifest from file GalaSoft.MvvmLight.Extras.WPF4.dll: the manifest may not be valid or the file could not be opened. 
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.Manifest.AssemblyManifest.ManifestLoadExceptionHelper(Exception exception, String filePath)
            at System.Deployment.Application.Manifest.AssemblyManifest.LoadFromInternalManifestFile(String filePath)
            at System.Deployment.Application.DownloadManager.ProcessDownloadedFile(Object sender, DownloadEventArgs e)
            at System.Deployment.Application.FileDownloader.DownloadModifiedEventHandler.Invoke(Object sender, DownloadEventArgs e)
            at System.Deployment.Application.FileDownloader.PatchSingleFile(DownloadQueueItem item, Hashtable dependencyTable)
            at System.Deployment.Application.FileDownloader.PatchFiles(SubscriptionState subState)
            at System.Deployment.Application.FileDownloader.Download(SubscriptionState subState)
            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& downloadTemp)
            at System.Deployment.Application.ApplicationActivator.InstallApplication(SubscriptionState& subState, ActivationDescription actDesc)
            at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri activationUri, Boolean isShortcut, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl)
            at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)
        --- Inner Exception ---
        System.Deployment.Application.DeploymentException (InvalidManifest)
        - Cannot load internal manifest from component file.
        - Source: 
        - Stack trace:


COMPONENT STORE TRANSACTION DETAILS
    No transaction information is available.

I'm baffled. Any ideas what this could be?

Cheers Tony