Updating CA-Certificates (SSL Root Certificates)

If you get the issue "Invalid License", then it may be due to an outdated SSL Root Certificate. So, you have to update your CA-Certificates.


For CentOS and Ubuntu, follow this Guide (untested)

Fix Let’s Encrypt Root Certificate DST Root CA X3 expired


On Debian

as Root

dpkg-reconfigure ca-certificates


as User

sudo dpkg-reconfigure ca-certificates


choose here yes (Navigate with TAB and confirm with Enter)

(Click on Image for fullscreen)



In the next step, we will remove the old, expired Let's Encrypt ROOT Certificate that causes this issue: dst-root-ca-x3-expiration-september-2021


uncheck (Navigate with TAB and uncheck with Spacebar)



after that, tab to ok and press enter

(Click on Image for fullscreen)



if you see this, then you have successfully updated.


That's it!



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