Tune Up Utilities 2009 tries to delete NIS 2009 registry keys

When ever i run tune-up utilities 2009 latest, it's registry cleaner tries to delete Nis 2009 keys..and when i check norton tamper protection log i find unauthorised access blocked(delete registry key)..i am wondering why tune up wants to delete it..thank god norton  has tamper protection..here is the log:

 

Category: Norton Product Tamper Protection
Date & Time,Severity,Activity,Status,Recommended Action,Date,Actor,Actor PID,Target,Target PID,Action,Reaction,Terminal Session
5/11/2009 12:08 PM,Medium,Unauthorized access blocked (Delete Registry Key),Blocked,No Action Required,"Monday, May 11, 2009 12:08 PM",c:\program files (x86)\tuneup utilities 2009\registrycleaner.exe,3488,HKEY_CLASSES_ROOT\Wow6432Node\TypeLib\{957191F2-F78B-41C6-87D6-87D562930EA9}\1.0\HELPDIR\,0,Delete Registry Key,Unauthorized access blocked,1