: If prompted, re-register the dongle with the software. This process usually involves logging into your account on the software provider's website, locating your dongle's ID, and re-associating it with your license.
Resolving this error usually requires a bit of IT witchcraft. The standard procedure often involves:
Faulty or outdated Sentinel drivers are the most frequent cause.
You recently upgraded your RAM, motherboard, or hard drive.