When you install Qastor with a release date beyond the expiry date of your Support & Maintenance agreement
During installation of the new version, the previous Qastor version will be uninstalled automatically. When you then try to start the new version you will be notified that 'The Support and Maintenance period is expired'.
You will then have to re-install a version released prior to the expiry date of the Support & Maintenance.
When you don't have access to the Internet or do not have a backup of the previous version at hand, you might run into trouble.