Richard,
Thank you for buying CodeMix.
Can you please try clicking ‘Check Access’ and see if the recent purchase is picked up?
Please see the ‘Activating a Personal License’ section for the detailed steps to activate :
https://www.genuitec.com/docs/setup/licensing-codemix/#Activating_a_Personal_License
If you are still seeing issues, then please reach us via Live Chat (Help > CodeMix > Live Chat) for a quick resolution. If you cannot reach us via Live Chat at this point, then please share with us the screenshot of the Help > CodeMix > Update License dialog along with the .log file located at workspace dir/.metadata/.log (change the extension to .txt and attach it here).
Apologies for inconvenience caused. Please let us know how you get on with it.
–Swapna
Genuitec Support