Windows 7 Services

QWAVE driver - Windows 7 Service

Quality Windows Audio/Video Experience component driver.

This service also exists in Windows 10, 8 and Vista.

Startup Type

Windows 7 edition without SP SP1
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Default Properties

Display name:QWAVE driver
Service name:QWAVEdrv
Error control:normal

Default Behavior

The QWAVE driver service is a kernel driver. If the QWAVE driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the QWAVEdrv service has failed to start.


If the QWAVE driver is stopped, the Quality Windows Audio Video Experience fails to start and initialize.

Restore Default Startup Type of QWAVE driver

Automated Restore

1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.

2. Save the RestoreQWAVEdriverWindows7.bat file to any folder on your hard drive.

3. Right-click the downloaded batch file and select Run as administrator.

4. Restart the computer to save changes.

Note. Make sure that the qwavedrv.sys file exists in the %WinDir%\system32\drivers folder. If this file is missing you can try to restore it from your Windows 7 installation media.

Yea, though I walk through the valley of the shadow of death, I will fear no evil: for thou art with me; thy rod and thy staff they comfort me.