Os arquivos .ppkg são pacotes de provisionamento :
A provisioning package (.ppkg) is a container for a collection of configuration settings. With Windows 10, you can create provisioning packages that let you quickly and efficiently configure a device without having to install a new image.
Provisioning packages are simple enough that with a short set of written instructions, a student or non-technical employee can use them to configure their device. This can result in a significant reduction in the time required to configure multiple devices in your organization.
Portanto, parece que a Dell o usou para pré-instalar alguns aplicativos sem modificar sua grande imagem de Implantação porque a Instalação examina essa pasta para arquivos de ppkg:
The provisioning engine always applies provisioning packages persisted in the
C:\Recovery\Customizations
folder on the OS partition. When the provisioning engine applies provisioning packages in the%ProgramData%\Microsoft\Provisioning
folder, certain runtime setting applications, such as the setting to install and configure Windows apps, may be extended past the OOBE pass and continually be processed in the background when the device gets to the desktop. Settings for configuring policies and certain crucial system configurations are always be completed before the first point at which they must take effect.
Faça um backup do arquivo no armazenamento externo e tente excluí-lo.