Bug Report Cannot initialize desktop audio sound

[Vince]

22:11:31: CLR host plugin strings not found, dynamically loading 4 strings
22:11:31: CLRHost::Initialize() attempting to load and start the .NET runtime (null)
22:11:31: CLRHost::Initialize() Found version v2.0.50727 .NET runtime
22:11:31: CLRHost::Initialize() Found version v4.0.30319 .NET runtime
22:11:31: CLRHost::Initialize() attempting to use v4.0.30319 .NET runtime
22:11:31: CLRHost::LoadInteropLibrary() load the assembly plugins\CLRHostPlugin\CLRHost.Interop.dll
22:11:31: CLRHost::LoadPlugins() attempting to load the plugin assembly CLRBrowserSourcePlugin
22:11:32: CLRHost:: Could not find/load browser settings at location C:\Users\Vince\AppData\Roaming\OBS\pluginData\browser.json
22:11:32: CLRHost::LoadPlugins() successfully added CLR plugin [Type: CLRBrowserSourcePlugin.CLRBrowserSourcePlugin, Name: CLR Browser Source Plugin]
22:11:32: Failed to initialize plugin plugins/CountdownPlugin.dll
22:11:33: Open Broadcaster Software v0.638b - 32bit (´・ω・｀)
22:11:33: -------------------------------
22:11:33: CPU Name: Intel(R) Core(TM) i5-4430 CPU @ 3.00GHz
22:11:33: CPU Speed: 3000MHz
22:11:33: Physical Memory: 4095MB Total, 3489MB Free
22:11:33: stepping id: 3, model 60, family 6, type 0, extmodel 1, extfamily 0, HTT 1, logical cores 4, total cores 4
22:11:33: monitor 1: pos={-1024, 0}, size={1024, 768}
22:11:33: monitor 2: pos={0, 0}, size={1920, 1080}
22:11:33: monitor 3: pos={1920, 146}, size={1366, 768}
22:11:33: Windows Version: 6.1 Build 7601 S
22:11:33: Aero is Disabled
22:11:33: -------------------------------
22:11:33: OBS Modules:
22:11:33: Base Address Module
22:11:33: 00AF0000 OBS.exe
22:11:33: 0F750000 OBSApi.dll
22:11:33: 51940000 CLRHostPlugin.dll
22:11:33: 50FA0000 DShowPlugin.dll
22:11:33: 51010000 GraphicsCapture.dll
22:11:33: 50FE0000 NoiseGate.dll
22:11:33: 51CD0000 PSVPlugin.dll
22:11:33: ------------------------------------------
22:11:33: Adapter 1
22:11:33: Video Adapter: NVIDIA GeForce GTX 670
22:11:33: Video Adapter Dedicated Video Memory: 2087387136
22:11:33: Video Adapter Shared System Memory: 2147807232
22:11:33: Video Adapter Output 1: pos={0, 0}, size={1920, 1080}, attached=true
22:11:33: Video Adapter Output 2: pos={-1024, 0}, size={1024, 768}, attached=true
22:11:33: ------------------------------------------
22:11:33: Adapter 2
22:11:33: Video Adapter: Intel(R) HD Graphics 4600
22:11:33: Video Adapter Dedicated Video Memory: 67108864
22:11:33: Video Adapter Shared System Memory: 1711276032
22:11:33: Video Adapter Output 1: pos={1920, 146}, size={1366, 768}, attached=true
22:11:33: =====Stream Start: 2014-12-06, 22:11:33===============================================
22:11:33: Multithreaded optimizations: On
22:11:33: Base resolution: 1366x768
22:11:33: Output resolution: 1092x614
22:11:33: ------------------------------------------
22:11:33: Loading up D3D10 on NVIDIA GeForce GTX 670 (Adapter 1)...
22:11:34: ------------------------------------------
22:11:34: Audio Format: 48000 Hz
22:11:34: ------------------------------------------
22:11:34: Audio Channels: 2 Ch
22:11:34: Playback device {0.0.0.00000000}.{4ca33f43-0b90-40c7-ab60-cdedca15a7a9}
Warning -- MMDeviceAudioSource::Initialize(0): Could not create IAudioClient = AUDCLNT_E_DEVICE_INVALIDATED

Error: Cannot initialize desktop audio sound, more info in the log file.