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Error installing .vsto AddIn for Outlook on Windows 10 RRS feed

  • Question

  • Hello, I am attempting to download a AddIn for Outlook. When I click on the setup.exe file, I get the following error message: Downloading file:///C:/Users/jkumin/AppData/Local/Temp/7zO07012381/DPOAddIn.vsto did not succeed.

    Name:
    From: file:///C:/Users/jkumin/AppData/Local/Temp/7zO07012381/DPOAddIn.vsto

    ************** Exception Text **************
    System.Deployment.Application.DeploymentDownloadException: Downloading file:///C:/Users/jkumin/AppData/Local/Temp/7zO07012381/DPOAddIn.vsto did not succeed. ---> System.Net.WebException: Could not find file 'C:\Users\jkumin\AppData\Local\Temp\7zO07012381\DPOAddIn.vsto'. ---> System.Net.WebException: Could not find file 'C:\Users\jkumin\AppData\Local\Temp\7zO07012381\DPOAddIn.vsto'. ---> System.IO.FileNotFoundException: Could not find file 'C:\Users\jkumin\AppData\Local\Temp\7zO07012381\DPOAddIn.vsto'.
       at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
       at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
       at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy)
       at System.Net.FileWebStream..ctor(FileWebRequest request, String path, FileMode mode, FileAccess access, FileShare sharing, Int32 length, Boolean async)
       at System.Net.FileWebResponse..ctor(FileWebRequest request, Uri uri, FileAccess access, Boolean asyncHint)
       --- End of inner exception stack trace ---
       at System.Net.FileWebResponse..ctor(FileWebRequest request, Uri uri, FileAccess access, Boolean asyncHint)
       at System.Net.FileWebRequest.GetResponseCallback(Object state)
       --- End of inner exception stack trace ---
       at System.Net.FileWebRequest.EndGetResponse(IAsyncResult asyncResult)
       at System.Net.FileWebRequest.GetResponse()
       at System.Deployment.Application.SystemNetDownloader.DownloadSingleFile(DownloadQueueItem next)
       --- End of inner exception stack trace ---
       at Microsoft.VisualStudio.Tools.Applications.Deployment.ClickOnceAddInDeploymentManager.GetManifests(TimeSpan timeout)
       at Microsoft.VisualStudio.Tools.Applications.Deployment.ClickOnceAddInDeploymentManager.InstallAddIn()

    What steps can I take to troubleshoot or diagnose this issue?

    Tuesday, November 12, 2019 3:58 PM

All replies

  • Hi Josh_25,

    Welcome to MSDN forum.

    According to your description, I suppose this is an issue about VSTO. I will help you move to this appropriate forum: Visual Studio Tools for Office (VSTO) for a better support.

    In addition, if you have any more .NET Framework Setup and Servicing issues in the future, please feel free to let us know.

    Thanks for your understanding.

    Best Regards,

    Anna 


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    Wednesday, November 13, 2019 2:22 AM