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Restore AdminApp folder

In Sitefinity CMS 14.1 the Classic UI was deprecated and it is no longer possible to delete the ~/AdminApp folder. Deleting the folder makes it impossible to use Sitefinity CMS where the New UI is required. To restore the package, you must reinstall the AdminApp NuGet package.

To restore the ~/AdminApp folder, perform the following:

  1. In Visual Studio, in the context menu of your project, click Manage NuGet Packages…
  2. Expand the Online node and click Sitefinity NuGet Server.
  3. Find Progress.Sitefinity.AdminApp NuGet package.
  4. Install it, making sure the version of the package matches the version of your Sitefinity CMS.
  5. Close the window.

For more information, see Sitefinity CMS NuGet packages repository
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