OBS encoder initialisation failed NVENC windows 10

16:13:14: Open Broadcaster Software v0.655b - 32bit (´・ω・｀)
16:13:14: -------------------------------
16:13:14: CPU Name: AMD FX(tm)-8350 Eight-Core Processor
16:13:14: CPU Speed: 4013MHz
16:13:14: Physical Memory:  4095MB Total, 4095MB Free
16:13:14: stepping id: 0, model 2, family 21, type 0, extmodel 0, extfamily 3, HTT 1, logical cores 8, total cores 4
16:13:14: monitor 1: pos={0, 0}, size={1920, 1080}
16:13:14: monitor 2: pos={237, 1080}, size={1360, 768}
16:13:14: Windows Version: 10.0 Build 10240 (revision 16384)
16:13:14: Aero is Enabled
16:13:14: -------------------------------
16:13:14: OBS Modules:
16:13:14: Base Address     Module
16:13:14: 00E80000         OBS.exe
16:13:14: 5F0F0000         OBSApi.dll
16:13:14: 5F550000         DShowPlugin.dll
16:13:14: 5F520000         GraphicsCapture.dll
16:13:14: 5F4F0000         NoiseGate.dll
16:13:14: 5F4D0000         PSVPlugin.dll
16:13:14: 5F4B0000         scenesw.dll
16:13:14: ------------------------------------------
16:13:14: Adapter 1
16:13:14:   Video Adapter: NVIDIA GeForce GTX 970
16:13:14:   Video Adapter Dedicated Video Memory: 3221225472
16:13:14:   Video Adapter Shared System Memory: 1073676288
16:13:14:   Video Adapter Output 1: pos={0, 0}, size={1920, 1080}, attached=true
16:13:14:   Video Adapter Output 2: pos={237, 1080}, size={1360, 768}, attached=true
16:13:14: =====Stream Start: 2015-08-10, 16:13:14===============================================
16:13:14:   Multithreaded optimizations: On
16:13:14:   Base resolution: 3840x2160
16:13:14:   Output resolution: 1920x1080
16:13:14: ------------------------------------------
16:13:14: Loading up D3D10 on NVIDIA GeForce GTX 970 (Adapter 1)...
16:13:15: ------------------------------------------
16:13:15: Audio Format: 48000 Hz
16:13:15: ------------------------------------------
16:13:15: Audio Channels: 2 Ch
16:13:15: Playback device Default
16:13:15: ------------------------------------------
16:13:15: Using desktop audio input: Speakers (Realtek High Definition Audio)
16:13:15: Global Audio time adjust: 0
16:13:15: ------------------------------------------
16:13:15: Audio Encoding: AAC
16:13:15:     bitrate: 320
16:13:15: Using graphics capture
16:13:15: Trying to hook process: Wreckfest.exe
16:13:15: Scene buffering time set to 700
16:13:15: Successfully loaded ObsNvenc.dll
16:13:15: ObsNvenc initialized successfully
16:13:15: CUDA loaded successfully
16:13:15: >> cuInit(0) - failed with error code 0x3e7
16:13:15: Couldn't initialize encoder
16:13:15: =====Stream End: 2015-08-10, 16:13:15=================================================
16:16:47: =====Stream Start: 2015-08-10, 16:16:47===============================================
16:16:47:   Multithreaded optimizations: On
16:16:47:   Base resolution: 3840x2160
16:16:47:   Output resolution: 1920x1080
16:16:47: ------------------------------------------
16:16:47: Loading up D3D10 on NVIDIA GeForce GTX 970 (Adapter 1)...
16:16:47: ------------------------------------------
16:16:47: Audio Format: 48000 Hz
16:16:47: ------------------------------------------
16:16:47: Audio Channels: 2 Ch
16:16:47: Playback device Default
16:16:47: ------------------------------------------
16:16:47: Using desktop audio input: Speakers (Realtek High Definition Audio)
16:16:47: Global Audio time adjust: 0
16:16:47: ------------------------------------------
16:16:47: Audio Encoding: AAC
16:16:47:     bitrate: 320
16:16:47: Using graphics capture
16:16:47: Scene buffering time set to 700
16:16:47: Couldn't initialize encoder
16:16:47: =====Stream End: 2015-08-10, 16:16:47=================================================
16:21:53: No Intel graphics adapter visible in QSVHelper.exe, Optimus problem?


Last game capture log:
2015-08-10, 16:13:15: we're booting up:
16:13:15: CaptureThread: attached to process Wreckfest.exe
16:13:15: D3D9 Present
16:13:15: (half life scientist) everything..  seems to be in order