Solution

Our licensing system changed in 2020 so if you are still using the 2019 version of the CSD software you will see error messages about the software not being licensed.

The system requirements for the latest version of the CSD software are detailed here and we would strongly recommend upgrading to hardware which supports the latest version if possible. As a goodwill gesture we can extend the licence for 2019 software until the end of 2020 - please contact support@ccdc.cam.ac.uk to request this.

We offer restricted versions of a few products including Mercury for free - to obtain older versions of these go to our downloads page and tick the Legacy Downloads box.


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