I am getting an activation error. What should I do?

This information applies to version(s): 1, 2, 3, 4

There are multiple reasons that could cause this issue. Please open a ticket with Customer Support and include the exact error message you're receiving. 

To get help from DxO Support Team directly from this page, please click on this link.

Note: screenshots are extremely helpful and allow us to see what's on your screen. Please attach one to your ticket.