Error Device Driver by Microsoft Corporation.
Since Microsoft Hardware Error Device Driver is a kernel mode driver, its startup might be configured depending on installed hardware. Changing its startup configuration might cause hardware issues. In the table below you can see how it is configured on my system, but your default settings might differ from mine.
|Windows Vista edition||without SP||SP1||SP2|
|Starter||not exists||not exists||Disabled|
|Home Basic||not exists||not exists||Disabled|
|Home Premium||not exists||not exists||Disabled|
|Business||not exists||not exists||Disabled|
|Ultimate||not exists||not exists||Disabled|
|Display name:||Microsoft Hardware Error Device Driver|
Microsoft Hardware Error Device Driver is a kernel mode driver. If Microsoft Hardware Error Device Driver fails to start, the error is recorded into the Event Log. Windows Vista startup proceeds, but a message box is displayed informing you that the ErrDev service has failed to start.
1. Select your Windows Vista edition, and then click on the Download button below.
2. Save the RestoreMicrosoftHardwareErrorDeviceDriverWindowsVista.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
errdev.sys file exists in the
%WinDir%\system32\drivers folder. If this file is missing you can try to restore it from your Windows Vista installation media.