With Plex, you can create your own home media server and access it from anywhere with a range of devices, thus offering you a hassle-free way to watch all of your movies. One of the top reasons why Plex stops playing after a few minutes is if your connection speeds are not fast enough. This can be caused by. Plex unable to playback some videos files. I've successfully upgraded from 11.1 U6 to 11.2, and subsequently to 11.2 U1. I had my Plex plugin (warden) working fine, but wanted it manageable within 11.2 UI, so I migrated it to iocage using the migratewarden.py script. My clients see the plexmediaserver fine after migrating to iocage, but I. Source. As per multiple reports, NVIDIA Shield TV users are experiencing multiple problems with Plex 4K HDR playback like excessive buffering, lag, and more. It is unclear what the exact cause of these problems is but it seems some of these issues started after a recent Plex update. Several users feel that the issues might not be due to the.