After installing or upgrading the Symantec Endpoint Protection Manager (SEPM) to 14.2 the Daily and Weekly risk reports do not display any computer details when you select the arrow for more details in the Virus Definition Distribution section.
14.2 was missing a reference in the SEP Manager for Risk Reports.
This issue is fixed in Symantec Endpoint Protection 14.2.0.1 (14.2 MP1) For information on how to obtain the latest build of Symantec Endpoint Protection, see Download the latest version of Symantec Endpoint Protection.