Block a service?

[Guest]

I have a service (UDNT) that I need to block from starting. It starts on its own and crashes the computer every time, but it does NOT appear in the list of services so I can't just disable it. The event viewer gives me one of the following error messages

The UDNT service failed to start due to the following error:
The system cannot find the file specified.

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The UDNT service failed to start due to the following error:
The system cannot find the device specified.

I just need to know how to block the UDNT service from starting even though it does not appear in the services tool
Thanks, JDS.

 

[Guest]

Hey, I may have just found the answer myself. I found the service in the registry and deleted it

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UDN

I saved right before just in case, will simply deleting a service from the registry cause any problems
Thanks again, JDS!

 

[Les Herrman]

Hey, I may have just found the answer myself. I found the service in the registry and deleted it.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UDNT

I saved right before just in case, will simply deleting a service from the registry cause any problems?
Thanks again, JDS!

Actually you did exactly what you needed to do in this case.

The error message you were getting was because of that registry entry.
It was calling for that service to start, but the system could not
find the service so it gave you the error message. Deleting the
erroneous registry entry will remove the error message.