Unfortunately, this has never been resolved nor addressed by any means. I also opened a topic regarding this issues. Well, I assume it is related to this error message as it appears very seldom. Usually it just sort of freezes as I described here:
As described in my post above, I can no longer use Plex HTPC after version 1.43.1.3911.
There are other people experiencing this issue it seems:
and:
I am currently using Plex for Windows because of this (and none of my other devices or players have this issue BTW) but I hope this gets addressed soon. If a dev needs more info, then please step in and tell us what you need. Thanks.