id summary reporter owner description type status component version resolution keywords cc guest host 9205 Could not initialize DirectSoundCapture dark_overload "I have tried everything to get virtualbox to stop giving me this error, but nothing works. Below is the relevant section of the log for a test VM I created with all default settings just to test this bug. 00:00:00.765 Audio: Trying driver 'dsound'. 00:00:00.810 DSound: Could not initialize DirectSoundCapture 00:00:00.812 Audio: set_record_source ars=0 als=0 (not implemented) 00:00:00.812 AC97: WARNING: Unable to open PCM IN! 00:00:00.812 AC97: WARNING: Unable to open PCM MC! 00:00:00.812 VM: Raising runtime error 'HostAudioNotResponding' (fFlags=0x0) 00:00:00.812 Console: VM runtime error: fatal=false, errorID=HostAudioNotResponding message=""Some audio devices (PCM_in, PCM_mic) could not be opened. Guest applications generating audio output or depending on audio input may hang. Make sure your host audio device is working properly. Check the logfile for error messages of the audio subsystem""" defect closed audio VirtualBox 4.0.10 fixed HostAudioNotResponding Linux Windows