Mouse Class Driver (mouclass) Service Defaults in Windows 7

Mouse Class Driver by Microsoft Corporation.

Default Settings

Startup type: Manual
Display name:Mouse Class Driver
Service name:mouclass
Service type:kernel
Error control:normal
Group:Pointer Class
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\mouclass

Default Behavior

Mouse Class Driver is a kernel device driver. In Windows 7 it won't be started if the user doesn't start it. If Mouse Class Driver fails to start, Windows 7 attempts to write the failure details into Event Log. Then Windows 7 startup should proceed and the user should be notified that the mouclass service is not running because of the error.

Restore Default Startup Configuration of Mouse Class 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 mouclass start= demand

3. Close the command window and restart the computer.

The mouclass service is using the mouclass.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 7 installation media.