Fix error 506 while installing Creative Cloud apps on Windows

Learn how to fix error 506, while installing or updating Creative Cloud apps using the Adobe Creative Cloud desktop app.

About error 506

You might see error 506 while installing or updating Creative Cloud apps using the Adobe Creative Cloud desktop app. This error occurs when sideloading is disabled on Windows, or the necessary permissions are not enabled. 

----------------------------------- Summary -----------------------------------

Failed to install UWP Appx package 
C:\adobeTemp\ETRDD91.tmp\1\SparklerApp\SparklerApp.appx 
with uwpcode 14(windows error details code = (-2147009281), 
error = (error 0x80073CFF: To install this application you need either a Windows 
developer license or a sideloading-enabled system.)
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How do I fix error 506?

To fix the error, work through the following solutions sequentially, proceeding to the next solution if necessary:

Note:

We recommend that enterprise users contact their admin before making any changes to their Operating system settings. 

 Enabling sideloading in Windows allows you to install apps from other sources that you trust.

  1. Select the Windows search bar in the lower-left corner of the desktop and search for Developer settings.

  2. In the Developer Mode section, turn On the Install apps from any source, including loose files.

    Developer mode

  3. Try to install the app from the Creative Cloud desktop app. 

  1. In Windows search, type in gpedit.msc and then press Enter.

    gpedit-msc

    The Group Policy Editor opens.

  2. In Group Policy Editor, navigate to Computer Configuration > Administrative Templates > Windows Components > App Package Deployment.

    app-package-development

  3. In the right pane, double-click Allow all trusted apps to install.

    allow-trusted-apps

  4. Select Enabled, and then select OK.

    allow-apps

  5. Try to install the app from Creative Cloud desktop app. 

  1. In Windows search, type in regedit.

    Note:

    If you are not comfortable editing your registry, make a backup copy of it by choosing File > Export; name the backup and save it to a location you'll remember.

    regedit

  2. Navigate to HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Appx and change the value of AllowAllTrustedApps to 1.

  3. Proceed to install the app from the Creative Cloud desktop app. 

 Adobe

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