Hugo,
Sorry that you are seeing this issue with the license.
1. Is there any firewall running in the machine?
2. Did you change the JDK that is used to start the IDE? Can you please check if using a newer version of JDK to start the IDE helps?
Edit the angularide.ini file (located in the Angular IDE installation folder) and point the -vm arg to a newer version of JDK (newer versions usually come with updated set of trusted certificates) and check if the issue persists?
3. Can you please share with us the complete workspace log file from workspace dir/.metadata/.log for further investigation? Change the extension to .txt and attach it.
Alternatively, you can reach us via Live Chat (Help > CodeMix > Live Chat) to help us diagnose the problem quickly.
Apologies for inconvenience caused.
–Swapna
Genuitec Support