Ccleaner license key paid for but marked as invalid

CCleaner for Mac
1

what do i do if my license has expired? Expired nov 2020 but still cleaned today using 1.17.603. Will not update to 1.18.30

2

I've moved this Question to the CCleaner for Mac forum.

For licensing issues you will need to contact: support@ccleaner.com

When you say it 'Will not update to 1.18.30" what are you seeing?