Trojan.Gen.2

Today 6/11/2011 I updated Norton Internet Security 2011 with the latest virus patterns.  Shortly after the update I received the message that the Trojan.Gen.2 threat had been detected and was removed.  I later noticed that my program development tool TasExecute.exe was missing.  I later find that this program is the Trojan.Gen.2 threat NSI 2011 detected and deleted.  I have been using this program for a long time and I am sure it is not a threat.  How can I tell NSI 2011 that the program is safe?

 

Regards

Jose