OBS Studio creates a log file each time you run it which contains very useful diagnostic information. Without a log file, it's much harder for any support volunteers to figure out problems and your post may be ignored. To upload a log file, go to the Help menu > Log Files > Upload Last Log...
obsproject.com
Me Too same problem on 4 different computers
the one i didn't update work like a charms (by chance i never update them at the same speed)
Which Log do you need...
23:20:53.779: CoInitializeEx succeeded: 0x00000001
23:20:53.779: CPU Name: Intel(R) Core(TM) i5-2400 CPU @ 3.10GHz
23:20:53.779: CPU Speed: 3093MHz
23:20:53.779: Physical Cores: 4, Logical Cores: 4
23:20:53.779: Physical Memory: 8073MB Total, 4901MB Free
23:20:53.779: Windows Version: 10.0 Build 18363 (release: 1909; revision: 720; 64-bit)
23:20:53.779: Running as administrator: false
23:20:53.779: Aero is Enabled (Aero is always on for windows 8 and above)
23:20:53.780: Windows 10 Gaming Features:
23:20:53.780: Game Bar: Off
23:20:53.780: Game DVR: Off
23:20:53.780: Game DVR Background Recording: Off
23:20:54.126: Sec. Software Status:
23:20:54.129: Antivirus Windows Defender: enabled (AV)
23:20:54.129: Pare-feu Windows: disabled (FW)
23:20:54.130: Current Date/Time: 2020-04-16, 23:20:54
23:20:54.130: Browser Hardware Acceleration: true
23:20:54.130: Portable mode: false
23:20:54.667: OBS 25.0.4 (64-bit, windows)
23:20:54.667: ---------------------------------
23:20:54.716: ---------------------------------
23:20:54.716: audio settings reset:
23:20:54.716: samples per sec: 44100
23:20:54.716: speakers: 2
23:20:54.737: ---------------------------------
23:20:54.737: Initializing D3D11...
23:20:54.737: Available Video Adapters:
23:20:54.741: Adapter 0: Intel(R) HD Graphics
23:20:54.741: Dedicated VRAM: 33554432
23:20:54.741: Shared VRAM: 1711276032
23:20:54.741: PCI ID: 8086:102
23:20:54.743: Driver Version: 9.17.10.4459
23:20:54.743: output 0: pos={0, 0}, size={1680, 1050}, attached=true, refresh=60, name=W2242
23:20:54.743: output 1: pos={0, 1050}, size={1680, 1050}, attached=true, refresh=60, name=Acer X223W
23:20:54.746: Loading up D3D11 on adapter Intel(R) HD Graphics (0)
23:20:54.751: D3D11 loaded successfully, feature level used: a100
23:20:54.751: DXGI increase maximum frame latency success
23:20:55.545: ---------------------------------
23:20:55.545: video settings reset:
23:20:55.545: base resolution: 1680x1050
23:20:55.545: output resolution: 1120x700
23:20:55.545: downscale filter: Bicubic
23:20:55.545: fps: 30/1
23:20:55.545: format: NV12
23:20:55.545: YUV mode: 601/Partial
23:20:55.545: NV12 texture support enabled
23:20:55.546: Audio monitoring device:
23:20:55.546: name: Par défaut
23:20:55.546: id: default
23:20:55.546: ---------------------------------
23:20:55.613: [CoreAudio encoder]: CoreAudio AAC encoder not installed on the system or couldn't be loaded
23:20:55.636: Failed to load 'en-US' text for module: 'decklink-ouput-ui.dll'
23:20:55.766: [AMF] Unable to load 'amfrt64.dll', error code 126.
23:20:55.769: [AMF] AMF Test failed due to one or more errors.
23:20:55.770: Failed to initialize module 'enc-amf.dll'
23:20:56.960: [obs-browser]: Version 2.8.6
23:20:57.331: VLC found, VLC video source enabled
23:20:57.570: A DeckLink iterator could not be created. The DeckLink drivers may not be installed
23:20:57.571: No blackmagic support
23:20:57.655: ---------------------------------
23:20:57.655: Loaded Modules:
23:20:57.655: win-wasapi.dll
23:20:57.656: win-mf.dll
23:20:57.656: win-dshow.dll
23:20:57.656: win-decklink.dll
23:20:57.656: win-capture.dll
23:20:57.656: vlc-video.dll
23:20:57.656: text-freetype2.dll
23:20:57.656: rtmp-services.dll
23:20:57.656: obs-x264.dll
23:20:57.656: obs-vst.dll
23:20:57.656: obs-transitions.dll
23:20:57.656: obs-text.dll
23:20:57.656: obs-qsv11.dll
23:20:57.656: obs-outputs.dll
23:20:57.656: obs-filters.dll
23:20:57.656: obs-ffmpeg.dll
23:20:57.656: obs-browser.dll
23:20:57.656: image-source.dll
23:20:57.656: frontend-tools.dll
23:20:57.656: enc-amf.dll
23:20:57.656: decklink-ouput-ui.dll
23:20:57.656: coreaudio-encoder.dll
23:20:57.656: ---------------------------------
23:20:57.656: ==== Startup complete ===============================================
23:20:57.657: Service '' not found
23:20:57.667: No scene file found, creating default scene
23:20:57.667: All scene data cleared
23:20:57.667: ------------------------------------------------
23:20:57.711: [WASAPISource::TryInitialize]:[Haut-parleurs (VB-Audio Virtual Cable)] Failed to get initialize audio client: 8889000A
23:20:57.711: [WASAPISource::WASAPISource] Device 'default' not found. Waiting for device
23:20:58.729: WASAPI: Device 'Microphone (4- Realtek USB2.0 MIC)' [44100 Hz] initialized
23:20:58.729: Switched to scene 'Scène'
23:20:58.730: Failed to glob scene collections
23:20:58.758: adding 46 milliseconds of audio buffering, total audio buffering is now 46 milliseconds (source: Mic/Aux)
23:20:58.758:
23:20:59.150: [ffmpeg] [AVIOContext @ 0000015e754b4800] Statistics: 386 bytes read, 0 seeks
23:24:33.086:
23:24:33.086: ==== Auto-config wizard testing commencing ======
23:24:36.447: ---------------------------------
23:24:36.447: video settings reset:
23:24:36.447: base resolution: 1920x1080
23:24:36.447: output resolution: 1280x720
23:24:36.447: downscale filter: Bicubic
23:24:36.447: fps: 30/1
23:24:36.447: format: NV12
23:24:36.447: YUV mode: 601/Partial
23:24:36.447: NV12 texture support enabled
23:24:36.468:
23:24:36.468: ==== Auto-config wizard testing stopping ========
23:24:46.013: User added source 'Navigateur' (browser_source) to scene 'Scène'
===========================================================
As you can see this is a fresh new installation, i've deleted all OBS folders.
i just notice the "23:20:54.130: Browser Hardware Acceleration: true " and i known this is a issue when capturing external browser.