The product trial/demo license has expired. This is most likely due to the license being a temporary or trial license and the allotted expiration date has been reached.
License key is no longer valid.
Request a new trial license or permanent license from your Sales Account Manager.
A request for an existing permanent license key can be submitted through the following URL:
https://support.quest.com/SUPPORT/index?page=licenseKey
or alternatively, submit an email to license@quest.com