Hi, have the same problem, OBS wont open but process is running on task manager.
Here is the log:
19:23:22.154: CPU Name: Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz
19:23:22.154: CPU Speed: 4008MHz
19:23:22.154: Physical Cores: 4, Logical Cores: 8
19:23:22.154: Physical Memory: 16315MB Total, 12716MB Free
19:23:22.154: Windows Version: 10.0 Build 17763 (release: 1809; revision: 2565; 64-bit)
19:23:22.155: Running as administrator: true
19:23:22.155: Aero is Enabled (Aero is always on for windows 8 and above)
19:23:22.155: Windows 10 Gaming Features:
19:23:22.155: Game DVR: On
19:23:22.156: Sec. Software Status:
19:23:22.157: Antivirus de Windows Defender: disabled (AV)
19:23:22.157: AVG Antivirus: enabled (AV)
19:23:22.157: AVG Antivirus: enabled (FW)
19:23:22.157: Firewall de Windows: disabled (FW)
19:23:22.158: AVG Antivirus: enabled (ASW)
19:23:22.158: Antivirus de Windows Defender: disabled (ASW)
19:23:22.160: Current Date/Time: 2022-02-10, 19:23:22
19:23:22.160: Browser Hardware Acceleration: true
19:23:22.160: Portable mode: false
19:23:22.857: OBS 27.1.3 (64-bit, windows)
19:23:22.857: ---------------------------------
19:23:22.858: ---------------------------------
19:23:22.858: audio settings reset:
19:23:22.858: samples per sec: 48000
19:23:22.858: speakers: 2
19:23:22.863: ---------------------------------
19:23:22.863: Initializing D3D11...
19:23:22.863: Available Video Adapters:
19:23:22.865: Adapter 0: NVIDIA GeForce GTX 1080
19:23:22.865: Dedicated VRAM: 4176478208
19:23:22.865: Shared VRAM: 4259063808
19:23:22.865: PCI ID: 10de:1b80
19:23:22.865: Driver Version: 27.21.14.5671
19:23:22.866: output 0: pos={0, 0}, size={1920, 1080}, attached=true, refresh=60, name=LG IPS FULLHD
19:23:22.868: Loading up D3D11 on adapter NVIDIA GeForce GTX 1080 (0)
19:23:22.918: D3D11 loaded successfully, feature level used: b000
19:23:22.918: DXGI increase maximum frame latency success
19:23:22.918: D3D11 GPU priority setup success
19:23:23.517: ---------------------------------
19:23:23.517: video settings reset:
19:23:23.517: base resolution: 1920x1080
19:23:23.517: output resolution: 1280x720
19:23:23.517: downscale filter: Bicubic
19:23:23.517: fps: 30/1
19:23:23.517: format: NV12
19:23:23.517: YUV mode: 709/Partial
19:23:23.518: NV12 texture support enabled
19:23:23.519: Audio monitoring device:
19:23:23.519: name: Por defecto
19:23:23.519: id: default
19:23:23.519: ---------------------------------
19:23:23.521: Skipping module '../../obs-plugins/64bit/chrome_elf.dll', not an OBS plugin
19:23:23.533: [CoreAudio encoder]: CoreAudio AAC encoder not installed on the system or couldn't be loaded
19:23:23.534: Failed to load 'en-US' text for module: 'decklink-captions.dll'
19:23:23.538: Failed to load 'en-US' text for module: 'decklink-ouput-ui.dll'
Thank you in advance.