Installation problem

The app cannot be installed

  • Which platform? iOS (iPad), Android, Windows, Mac
  • Which operating system (version)?
  • With RCP, does the path have an umlaut in it?
  • Does it have enough free disk space?


The ebook cannot be installed

  • Is there an internet connection?
  • Is the latest version of the app installed?
  • Was the registration successful?
  • Was the coupon redeemed correctly?
  • Has the correct version of the Product Catalogue been loaded?