Just removed all instances of SVP, Python, Vapoursynth, PLEX, MPC etc.

Installed Plex Media Player 64.
Installed Python 3.6 64bit. 
Installed Vapoursynth 64-bit
Installed SVP 4 Pro with...
Core for DirectShow 32, 64, VaporSynth 64. ffdshow filters 32, 64. Avisynth+ 32,64. MPC-HC 32. mpv player and mpv shared library

One thing that may be of note, when it does the performance scan I don't actually get any profiles at all.. just "Automatic"...?

I set environment variables..
Replaced Plex "mpv-1.dll" with the one from "SVP 4\mpv64\"..
made the mvp.conf and placed in the AppData\Local\PlexMediaPlayer\ folder
Also tried with this in the plex media player folder in program files, just in case.

MPC-HC works, mpv player works. still nothing in PLEX (no OSD toast, tray icon says no playback and PLEX is reporting container FPS 30, filter FPS 29.97. Hardware Decoding: dxva2-copy (d3d11-egl-rgb)
Other than no SVP, plex is working as normal.

i5-6500, 16GB RAM, Nvidia GTX 970, Win 10 Pro 64.

i'm a bit stumped. Any ideas?

xarunx can you give me a step by step on what you did to get plex to work with SVP?

I got pro the other day and followed the wiki guide..not getting any interpolation in MPC-HC or Plex.