Although these errors occur when running this process, this error does not affect the sending of new WDRTs to the PGP Universal Server. New WDRTs that are sent to the PGP Universal Server, are in fact fully functional and can be used to recover if needed.
When encountering these symptoms, policy updates, all other logging works as expected and does not log these "corrupt data" errors.
This issue is fixed in the following release:
Symantec Encryption Desktop 10.3.0 MP3 (Build 9307) and above