1.    24 Aug 2015 #1
    Join Date : Aug 2015
    Posts : 18
    Windows 10

    AppLocker Blocks Windows Store Apps Downloads

    Hello --

    I've Windows 10 Pro x64, and I did a clean install a few days ago because of a similar issue.

    Now, Windows Store does open up and installed apps run just fine; however, I'm not able to download new apps or update existing ones. Downloads get aborted with error 0x80073CF9.

    Event Viewer returns the following...
    Log Name:      Microsoft-Windows-AppXDeploymentServer/Operational
    Source:        Microsoft-Windows-AppXDeployment-Server
    Date:          8/22/2015 7:49:27 PM
    Event ID:      404
    Task Category: (3)
    Level:         Error
    Keywords:      (70368744177664),AppXDeploymentServer Keyword
    User:          SYSTEM
    Computer:      Mike
    AppX Deployment operation failed for package microsoft.windowscommunicationsapps_2015.6120.42011.0_neutral_~_8wekyb3d8bbwe with error 0x80073CF9. The specific error text for this failure is: error 0xD000003A: Deployment of package microsoft.windowscommunicationsapps_2015.6120.42011.0_neutral_~_8wekyb3d8bbwe was blocked by AppLocker.
    Event Xml:
    <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
        <Provider Name="Microsoft-Windows-AppXDeployment-Server" Guid="{3F471139-ACB7-4A01-B7A7-FF5DA4BA2D43}" />
        <TimeCreated SystemTime="2015-08-23T02:49:27.818274600Z" />
        <Correlation ActivityID="{EA4D0F30-DD49-0002-7E11-4DEA49DDD001}" />
        <Execution ProcessID="3440" ThreadID="2036" />
        <Security UserID="S-1-5-18" />
        <Data Name="SummaryError">error 0xD000003A: Deployment of package microsoft.windowscommunicationsapps_2015.6120.42011.0_neutral_~_8wekyb3d8bbwe was blocked by AppLocker.</Data>
        <Data Name="PackageFullName">microsoft.windowscommunicationsapps_2015.6120.42011.0_neutral_~_8wekyb3d8bbwe</Data>
        <Data Name="ErrorCode">0x80073cf9</Data>
        <Data Name="MountPoint">C:</Data>
        <Data Name="TargetPlatform">0x3</Data>
    I've tried setting AppLocker to allow all signed packages to no avail. I've also tried "WSReset.exe" which doesn't seem to do anything. Further, I've created an "AUInstallAgent" directory under Windows.

    I believe it's a permission issue, because PowerShell throws an IOException error; therefore, I've tried changing permissions on various folders. I'm lost.

    Please advise.
      My ComputerSystem Spec
  2.    26 Aug 2015 #2
    Join Date : Aug 2015
    Posts : 18
    Windows 10
    Thread Starter

    Had to reinstall the OS.

    I think the problem was that permissions didn't propagate thoroughly when I changed the name of my computer.
      My ComputerSystem Spec


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