Is Plex Version Update in Netgear R9000 not updating?

Plex Version Update

Enable Automatic Plex New Version Update
Current Plex version: 1.9.2.4285-9f65b88ae Sep 25, 2017
New Plex version: 1.10.1.4602-f54242b6b Dec 13, 2017
“Check size fail.”

Anyone know how to fix this? Thanks.