"Failed to spawn new process" error message when removing "Job - User Defined" Notification entry (4043428)

Title: "Failed to spawn new process" error message when removing Job - User Defined Notification entry.
Date: Jul 11
Product & Version: NetVault All
OS Version: All
Module & Version: N/A
Application version: N/A


Symptoms:
Attempting to remove ("Remove event...") a user defined Job notification in the "NVBU Global Notification" window, produces the following error: "Failed to spawn new process".
The corresponding NVBU Global Notification - Job - User Defined entry is greyed out.

Reason:
Customer had deleted the backup job that had this event saved against.