In process explorer there are two NSBU.exe and sometimes two NSc.exe
this is in the command line of NSc.exe:2896 Properties
("C:\Program Files\Norton Security with Backup\Engine\22.1.0.9\NSc.exe" --ipcId=Scandium_{8F47D81F-C7C7-4303-B2D5-C45EA82BA5B1})