The European Online Dispute Resolution (ODR) platform is provided by the European Commission to make online shopping safer and fairer through access to quality dispute resolution tools.
If you are in the EU, Norway, Iceland or Liechtenstein you can use it to find the best solution for your consumer problem, to discuss a solution directly with a trader concerning your problem or to agree on a dispute resolution body to handle your case on the next link:
https://ec.europa.eu/consumers/odr/main/index.cfm?event=main.home2.show&lng=EN