We are aware of the recent license issues due to certificate.

Below is the link, to the version of SW TNG that will not cause any
problems with your license validation due to the certificate.

for 64-bit systems:

For 32-bit systems:

Download and extract the files from links above. Copy the .dll and .exe files and place them into
your normal PlanetCNC install folder.

Please note, that with this version, OS will notify you that you are executing untrusted sw.

This is a temporary solution, and we are working with SSL.com to fix this issue ASAP.
Expect a new version in a few days.

We apologise for inconvenience and thank you for understanding.