Error details

While installing or updating Creative Cloud apps using the Adobe Creative Cloud desktop app, you get Error Code 191. The error summary may read as follows:

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

2 fatal error(s), 2 error(s), 0 warnings(s) 

FATAL: Error (Code = 191) executing in command 'AddUWPAppxCommand' for package: 'UWPAssets', version:

FATAL: Error occurred in install of package (Name: UWPAssets Version:

Error code: '191' ERROR: hdhelper exe at C:\Program Files (x86)\Common Files\Adobe\Adobe Desktop Common\HDBox\HDHelper.exe failed to install UWP app with error code 1 - OS Message



This error generally occurs in the following scenarios:

  • Your computer does not meet the system requirements to install a Universal Windows Platform (UWP) app. For information, see system requirements.
  • Your Windows installation has failed to sideload a UWP package.


Before getting started, verify that your login account has administrator privileges:

  1. Press Windows + R keys on your keyboard.
  2. Type netplwiz and click OK.
  3. Ensure that Administrators is under Group in Users tab.

To enable: 

  1. Select the account you want to change within Users for this computer.
  2. Click Properties.
  3. Select Administrator as user account type within the Group Membership tab.
  4. Click Apply and click OK.

After troubleshooting, you can work through the following solutions, proceeding to the next solution if necessary.


  1. Locate your corresponding error message in this troubleshooting document.

  2. Follow the recommended resolution for your specific error code.

Ensure that the following directories have read and write access:

  • C:\Windows\temp
  • C:\Users\<User Name>\AppData\Local\Temp
  • C:\Users\<User Name>\AppData\Local\Packages

Then proceed to install the app from the Creative Cloud desktop app.

For Windows 10

  1. Navigate to Start > Settings > Update & Security.

  2. Click Windows Updates from the left menu.

  3. Check for new Windows 10 updates by choosing Check for updates.

    The updates and installs begin automatically and happen immediately after checking or, with some updates, can be scheduled when you're not using your computer.

For Windows 8, 7, and Vista

  1. Navigate to the Control Panel

  2. Select Windows Update.

  3. Select Check for updates to check for new, uninstalled updates.

    Installation sometimes begins automatically, or you might need to do it via the Install updates button.

For remote deployments using Admin Console Package, ensure that the package is run under the Local System context.

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