Null Service Defaults in Windows 8

Default Settings

Startup type: System
Display name:Null
Service name:Null
Service type:kernel
Error control:normal
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Null

Default Behavior

The Null service is a kernel device driver. In Windows 8 it is being loaded and initialized at Kernel initialization. If Null 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 Null service hasn't been started.

Restore Default Startup Configuration of Null

1. Run the Command Prompt as an administrator.

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

sc config Null start= system
sc start Null

3. Close the command window and restart the computer.