MY log file :
11:14:01.923: CPU Name: Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz
11:14:01.923: CPU Speed: 3696MHz
11:14:01.923: Physical Cores: 6, Logical Cores: 12
11:14:01.923: Physical Memory: 16308MB Total, 12570MB Free
11:14:01.923: Windows Version: 10.0 Build 18362 (revision: 267; 64-bit)
11:14:01.923: Running as administrator: false
11:14:01.923: Aero is Enabled (Aero is always on for windows 8 and above)
11:14:01.924: Windows 10 Gaming Features:
11:14:01.924: Game DVR: On
11:14:01.925: Sec. Software Status:
11:14:01.926: Windows Defender Antivirus: enabled (AV)
11:14:01.926: Windows-Firewall: enabled (FW)
11:14:01.926: Current Date/Time: 2019-08-11, 11:14:01
11:14:01.926: Browser Hardware Acceleration: true
11:14:01.926: Portable mode: false
11:14:02.840: OBS 23.2.1 (64-bit, windows)
11:14:02.840: ---------------------------------
11:14:02.840: ---------------------------------
11:14:02.840: audio settings reset:
11:14:02.840: samples per sec: 44100
11:14:02.840: speakers: 2
11:14:02.867: ---------------------------------
11:14:02.867: Initializing D3D11...
11:14:02.867: Available Video Adapters:
11:14:02.868: Adapter 0: NVIDIA GeForce GTX 1080
11:14:02.868: Dedicated VRAM: 4176478208
11:14:02.868: Shared VRAM: 4255332352
11:14:02.869: output 0: pos={0, 0}, size={1920, 1080}, attached=true
11:14:02.871: Loading up D3D11 on adapter NVIDIA GeForce GTX 1080 (0)
11:14:02.923: D3D11 loaded successfully, feature level used: 45056
11:14:03.648: ---------------------------------
11:14:03.648: video settings reset:
11:14:03.648: base resolution: 1920x1080
11:14:03.648: output resolution: 1920x1080
11:14:03.648: downscale filter: Bicubic
11:14:03.648: fps: 60/1
11:14:03.648: format: NV12
11:14:03.648: YUV mode: 601/Partial
11:14:03.648: NV12 texture support enabled
11:14:03.650: Audio monitoring device:
11:14:03.650: name: Standard
11:14:03.650: id: default
11:14:03.650: ---------------------------------
11:14:03.773: [CoreAudio encoder]: CoreAudio AAC encoder not installed on the system or couldn't be loaded
11:14:03.825: Failed to load 'en-US' text for module: 'decklink-ouput-ui.dll'
11:14:03.983: [AMF] AMF Test failed due to one or more errors.
11:14:03.983: Failed to initialize module 'enc-amf.dll'
11:14:04.739: Module '../../obs-plugins/64bit/libEGL.dll' not loaded
11:14:05.011: [obs-browser]: Version 2.4.0
11:14:05.167: NVENC supported
11:14:05.535: VLC found, VLC video source enabled
11:14:05.592: No blackmagic support
11:14:05.755: ---------------------------------
11:14:05.755: Loaded Modules:
11:14:05.755: win-wasapi.dll
11:14:05.755: win-mf.dll
11:14:05.755: win-ivcam.dll
11:14:05.755: win-dshow.dll
11:14:05.755: win-decklink.dll
11:14:05.755: win-capture.dll
11:14:05.755: vlc-video.dll
11:14:05.755: text-freetype2.dll
11:14:05.755: rtmp-services.dll
11:14:05.755: obs-x264.dll
11:14:05.755: obs-vst.dll
11:14:05.755: obs-transitions.dll
11:14:05.755: obs-text.dll
11:14:05.755: obs-qsv11.dll
11:14:05.755: obs-outputs.dll
11:14:05.755: obs-filters.dll
11:14:05.755: obs-ffmpeg.dll
11:14:05.755: obs-browser.dll
11:14:05.755: image-source.dll
11:14:05.755: frontend-tools.dll
11:14:05.755: enc-amf.dll
11:14:05.755: decklink-ouput-ui.dll
11:14:05.755: coreaudio-encoder.dll
11:14:05.755: ---------------------------------
11:14:05.755: ==== Startup complete ===============================================
11:14:05.755: Service '' not found
11:14:05.763: All scene data cleared
11:14:05.763: ------------------------------------------------
11:14:05.807: WASAPI: Device 'Lautsprecher (High Definition Audio Device)' initialized
11:14:05.844: WASAPI: Device 'Mikrofon (High Definition Audio Device)' initialized
11:14:05.847: Switched to scene 'Szene'
11:14:05.847: ------------------------------------------------
11:14:05.847: Loaded scenes:
11:14:05.847: - scene 'Szene':
11:14:05.847: - source: 'Bildschirmaufnahme' (monitor_capture)
11:14:05.847: ------------------------------------------------
11:14:05.875: adding 46 milliseconds of audio buffering, total audio buffering is now 46 milliseconds (source: Mic/Aux)
11:14:05.875:
11:16:32.461: Settings changed (general)
11:16:32.461: ------------------------------------------------
11:16:43.757: ==== Shutting down ==================================================
11:16:43.795: Switched to scene '(null)'
11:16:43.796: WASAPI: Device 'Lautsprecher (High Definition Audio Device)' Terminated
11:16:43.801: WASAPI: Device 'Mikrofon (High Definition Audio Device)' Terminated
11:16:43.804: All scene data cleared
11:16:43.804: ------------------------------------------------
11:16:43.895: Freeing OBS context data
11:16:43.959: [Scripting] Total detached callbacks: 0
11:16:44.017: == Profiler Results =============================
11:16:44.017: run_program_init: 4270.72 ms
11:16:44.017: ┣OBSApp::AppInit: 35.616 ms
11:16:44.017: ┃ ┗OBSApp::InitLocale: 11.377 ms
11:16:44.017: ┗OBSApp::OBSInit: 4017.8 ms
11:16:44.017: ┣obs_startup: 3.348 ms
11:16:44.017: ┗OBSBasic::OBSInit: 3101.28 ms
11:16:44.017: ┣OBSBasic::InitBasicConfig: 0.403 ms
11:16:44.017: ┣OBSBasic::ResetAudio: 0.124 ms
11:16:44.017: ┣OBSBasic::ResetVideo: 809.908 ms
11:16:44.017: ┣OBSBasic::InitOBSCallbacks: 0.003 ms
11:16:44.017: ┣OBSBasic::InitHotkeys: 0.035 ms
11:16:44.017: ┣obs_load_all_modules: 2104.36 ms
11:16:44.017: ┃ ┣obs_init_module(coreaudio-encoder.dll): 0.431 ms
11:16:44.017: ┃ ┣obs_init_module(decklink-ouput-ui.dll): 0.504 ms
11:16:44.017: ┃ ┣obs_init_module(enc-amf.dll): 105.823 ms
11:16:44.017: ┃ ┣obs_init_module(frontend-tools.dll): 3.48 ms
11:16:44.017: ┃ ┣obs_init_module(image-source.dll): 0.003 ms
11:16:44.017: ┃ ┣obs_init_module(obs-browser.dll): 0.282 ms
11:16:44.017: ┃ ┣obs_init_module(obs-ffmpeg.dll): 25.607 ms
11:16:44.017: ┃ ┃ ┗nvenc_check: 25.559 ms
11:16:44.017: ┃ ┣obs_init_module(obs-filters.dll): 0.01 ms
11:16:44.017: ┃ ┣obs_init_module(obs-outputs.dll): 0.007 ms
11:16:44.017: ┃ ┣obs_init_module(obs-qsv11.dll): 31.37 ms
11:16:44.017: ┃ ┣obs_init_module(obs-text.dll): 0.205 ms
11:16:44.017: ┃ ┣obs_init_module(obs-transitions.dll): 0.005 ms
11:16:44.017: ┃ ┣obs_init_module(obs-vst.dll): 0.001 ms
11:16:44.017: ┃ ┣obs_init_module(obs-x264.dll): 0.002 ms
11:16:44.017: ┃ ┣obs_init_module(rtmp-services.dll): 4.185 ms
11:16:44.017: ┃ ┣obs_init_module(text-freetype2.dll): 0.044 ms
11:16:44.017: ┃ ┣obs_init_module(vlc-video.dll): 7.246 ms
11:16:44.017: ┃ ┣obs_init_module(win-capture.dll): 0.065 ms
11:16:44.017: ┃ ┣obs_init_module(win-decklink.dll): 2.524 ms
11:16:44.017: ┃ ┣obs_init_module(win-dshow.dll): 1.06 ms
11:16:44.017: ┃ ┣obs_init_module(win-ivcam.dll): 0.002 ms
11:16:44.017: ┃ ┣obs_init_module(win-mf.dll): 0 ms
11:16:44.017: ┃ ┣obs_init_module(win-wasapi.dll): 0.005 ms
11:16:44.017: ┃ ┗reset_win32_symbol_paths: 0.059 ms
11:16:44.017: ┣OBSBasic::ResetOutputs: 0.278 ms
11:16:44.017: ┣OBSBasic::CreateHotkeys: 0.145 ms
11:16:44.017: ┣OBSBasic::InitService: 4.536 ms
11:16:44.017: ┣OBSBasic::InitPrimitives: 0.063 ms
11:16:44.017: ┗OBSBasic::Load: 92.705 ms
11:16:44.017: obs_hotkey_thread(25 ms): min=0.003 ms, median=0.003 ms, max=0.374 ms, 99th percentile=0.111 ms, 100% below 25 ms
11:16:44.017: audio_thread(Audio): min=0 ms, median=0.016 ms, max=0.127 ms, 99th percentile=0.052 ms
11:16:44.017: obs_graphics_thread(16.6667 ms): min=0.04 ms, median=0.278 ms, max=5.456 ms, 99th percentile=0.608 ms, 100% below 16.667 ms
11:16:44.017: ┣tick_sources: min=0.001 ms, median=0.106 ms, max=5.286 ms, 99th percentile=0.33 ms
11:16:44.017: ┣output_frame: min=0.036 ms, median=0.11 ms, max=2.852 ms, 99th percentile=0.238 ms
11:16:44.017: ┃ ┗gs_context(video->graphics): min=0.035 ms, median=0.11 ms, max=2.852 ms, 99th percentile=0.237 ms
11:16:44.017: ┃ ┣render_video: min=0.002 ms, median=0.013 ms, max=0.354 ms, 99th percentile=0.075 ms
11:16:44.017: ┃ ┃ ┗render_main_texture: min=0.002 ms, median=0.012 ms, max=0.35 ms, 99th percentile=0.065 ms
11:16:44.017: ┃ ┗gs_flush: min=0.032 ms, median=0.091 ms, max=0.733 ms, 99th percentile=0.215 ms
11:16:44.017: ┗render_displays: min=0 ms, median=0.048 ms, max=4.149 ms, 99th percentile=0.186 ms
11:16:44.017: =================================================
11:16:44.017: == Profiler Time Between Calls ==================
11:16:44.017: obs_hotkey_thread(25 ms): min=24.937 ms, median=25.374 ms, max=26.204 ms, 59.1673% within ±2% of 25 ms (0% lower, 40.8327% higher)
11:16:44.017: obs_graphics_thread(16.6667 ms): min=16.539 ms, median=16.667 ms, max=16.836 ms, 100% within ±2% of 16.667 ms (0% lower, 0% higher)
11:16:44.017: =================================================
11:16:44.034: Number of memory leaks: 0