Null Service Defaults in Windows 10

Default Settings

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

Default Behavior

Null is a kernel device driver. In Windows 10 it is starting at Kernel initialization. If Null fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the Null service has failed to start due to the error.

Restore Default Startup Configuration for 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.