The software will begin displaying an "Authorization dialog" 30 days before your current license expires to prompt a renewal. The Authorization Process
Copy and paste the code exactly as received in your authorization email (use Ctrl+C and Ctrl+V ). mitcalc authorization code upd
If the authorization fails, it may be due to an incorrectly installed root certificate. Reinstalling the certificate or lowering macro security temporarily may resolve the issue. The software will begin displaying an "Authorization dialog"