QWAVE driver (QWAVEdrv) Service Defaults in Windows 8

Quality Windows Audio/Video Experience component driver.

Default Settings

Startup type: Manual
Display name:QWAVE driver
Service name:QWAVEdrv
Service type:kernel
Error control:normal
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\QWAVEdrv

Default Behavior

The QWAVE driver service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If QWAVE driver fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the QWAVEdrv service hasn't been started.


If QWAVE driver is disabled, the Quality Windows Audio Video Experience service will not be started and initialized.

Restore Default Startup Configuration of QWAVE driver

1. Run the Command Prompt as an administrator.

2. Copy the command below, paste it into the command window and press ENTER:

sc config QWAVEdrv start= demand

3. Close the command window and restart the computer.

The QWAVEdrv service is using the qwavedrv.sys file that is located in the C:\Windows\system32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 8 installation media.