LG 49UB850V-ZD x265 support

[VooDooVox]

Hi guys.
I've just started to use UMS and still struggling with settings.

After a few attempt I managed to run some x265 files but not all of them. And also, "forward" or "rewind" doesnt work on these streaming files. When I push the button, it goes to next file.
Others, which doesnt work, says "unrecognizable file. play next file?"

I'd appriciate if you help.

Thanks

LG 49UB850V-ZD
OSX 10.11.6

[VooDooVox]

No help ??