My license expiration date is wrong!
The "Activated until" date printed in Render Setup > System > About Corona Renderer / Licensing is NOT a date when Corona Renderer will stop working for you.
It shows a future date, at which the license will be automatically extended, provided that the computer is connected to the Internet or visible to the Corona Renderer Licensing Server. Don't worry if that period is shorter than expected - it will get automatically extended.
If something goes wrong and for some reason your license will not get automatically extended, don't hesitate to contact us.