You wish to install the Endpoint Encryption client release 11.0 or above on a machine that already has Encryption Desktop 10.3.2 MP3 or below installed.
However, the installation cannot be completed.
Endpoint Encryption client can only be installed on a machine that already has Encryption Desktop installed if the release of Encryption Desktop is 10.3.2 MP4 or above.
Upgrade Encryption Desktop to release 10.3.2 MP13 or above (release 10.3.2 MP4 went end of support life on January 31, 2019).