If your Windows audio driver has stopped working all the sudden and you know for sure it is installed then there is a quick fix to this. This may not always work due to corrupt driver and you may need to reinstall the driver. Also if you have received the following error messages, this fix might work:
1. – “Windows Media Player cannot play the file because there is a problem with your sound device. There might not be a sound device installed on your computer, it might be in use …