Check the recent history.
bolean -- do you see anything notable in below history? 2/27 is the date I began all the security scans.
Category: Norton Product Tamper Protection
Date & Time,Risk,Activity,Status,Recommended Action,Date,Actor,Actor PID,Target,Target PID,Action,Reaction
2/27/2013 6:01:02 PM,Medium,Unauthorized access blocked (Access Process Data),Blocked,No Action Required,2/27/2013 6:01:02 PM,C:\WINDOWS\SYSTEM32\CONHOST.EXE,6088,C:\Program Files (x86)\Norton Internet Security\Engine\20.3.0.36\cltlmh.exe,3368,Access Process Data,Unauthorized access blocked
Category: Norton Product Tamper Protection
Date & Time,Risk,Activity,Status,Recommended Action,Date,Actor,Actor PID,Target,Target PID,Action,Reaction
2/27/2013 5:56:17 PM,Medium,Unauthorized access blocked (Access Thread Data),Blocked,No Action Required,2/27/2013 5:56:17 PM,C:\WINDOWS\SYSTEM32\SERVICES.EXE,636,C:\Program Files (x86)\Norton Internet Security\Engine\20.3.0.36\ccsvchst.exe,1352,Access Thread Data,Unauthorized access blocked
Category: Norton Product Tamper Protection
Date & Time,Risk,Activity,Status,Recommended Action,Date,Actor,Actor PID,Target,Target PID,Action,Reaction
2/27/2013 5:56:13 PM,Medium,Unauthorized access blocked (Access Thread Data),Blocked,No Action Required,2/27/2013 5:56:13 PM,C:\WINDOWS\SYSTEM32\SERVICES.EXE,636,C:\Program Files (x86)\Norton Internet Security\Engine\20.3.0.36\ccsvchst.exe,1352,Access Thread Data,Unauthorized access blocked
Category: Norton Product Tamper Protection
Date & Time,Risk,Activity,Status,Recommended Action,Date,Actor,Actor PID,Target,Target PID,Action,Reaction
2/27/2013 9:51:58 AM,Medium,Unauthorized access blocked (Access Process Data),Blocked,No Action Required,2/27/2013 9:51:58 AM,C:\WINDOWS\SYSTEM32\CONHOST.EXE,3368,C:\Program Files (x86)\Norton Internet Security\Engine\20.3.0.36\cltlmh.exe,5036,Access Process Data,Unauthorized access blocked
Category: Norton Product Tamper Protection
Date & Time,Risk,Activity,Status,Recommended Action,Date,Actor,Actor PID,Target,Target PID,Action,Reaction
2/27/2013 9:47:26 AM,Medium,Unauthorized access blocked (Access Thread Data),Blocked,No Action Required,2/27/2013 9:47:26 AM,C:\WINDOWS\SYSTEM32\SERVICES.EXE,632,C:\Program Files (x86)\Norton Internet Security\Engine\20.3.0.36\ccsvchst.exe,576,Access Thread Data,Unauthorized access blocked
Category: Norton Product Tamper Protection
Date & Time,Risk,Activity,Status,Recommended Action,Date,Actor,Actor PID,Target,Target PID,Action,Reaction
2/27/2013 9:47:17 AM,Medium,Unauthorized access blocked (Access Thread Data),Blocked,No Action Required,2/27/2013 9:47:17 AM,C:\WINDOWS\SYSTEM32\SERVICES.EXE,632,C:\Program Files (x86)\Norton Internet Security\Engine\20.3.0.36\ccsvchst.exe,576,Access Thread Data,Unauthorized access blocked
Category: Norton Product Tamper Protection
Date & Time,Risk,Activity,Status,Recommended Action,Date,Actor,Actor PID,Target,Target PID,Action,Reaction
2/27/2013 2:12:00 AM,Medium,Unauthorized access blocked (Access Process Data),Blocked,No Action Required,2/27/2013 2:12:00 AM,C:\WINDOWS\SYSTEM32\CONHOST.EXE,6352,C:\Program Files (x86)\Norton Internet Security\Engine\20.3.0.36\cltlmh.exe,196,Access Process Data,Unauthorized access blocked
Category: Norton Product Tamper Protection
Date & Time,Risk,Activity,Status,Recommended Action,Date,Actor,Actor PID,Target,Target PID,Action,Reaction
2/27/2013 2:06:15 AM,Medium,Unauthorized access blocked (Open File),Blocked,No Action Required,2/27/2013 2:06:15 AM,C:\WINDOWS\SYSTEM32\WBEM\WMIPRVSE.EXE,7608,C:\ProgramData\Norton\{0C55C096-0F1D-4F28-AAA2-85EF591126E7}\NIS_20.2.0.19\IPSFFPlgn\components\ipsffpl.dll,0,Open File,Unauthorized access blocked
Category: Norton Product Tamper Protection
Date & Time,Risk,Activity,Status,Recommended Action,Date,Actor,Actor PID,Target,Target PID,Action,Reaction
2/27/2013 2:06:13 AM,Medium,Unauthorized access blocked (Open File),Blocked,No Action Required,2/27/2013 2:06:13 AM,C:\WINDOWS\SYSTEM32\WBEM\WMIPRVSE.EXE,7608,C:\ProgramData\Norton\{0C55C096-0F1D-4F28-AAA2-85EF591126E7}\NIS_20.2.0.19\IPSFFPlgn\components\ipsffpl.dll,0,Open File,Unauthorized access blocked
Category: Norton Product Tamper Protection
Date & Time,Risk,Activity,Status,Recommended Action,Date,Actor,Actor PID,Target,Target PID,Action,Reaction
2/27/2013 1:56:40 AM,Medium,Unauthorized access blocked (Access Process Data),Blocked,No Action Required,2/27/2013 1:56:40 AM,C:\PROGRAM FILES\SUPERANTISPYWARE\SASCORE64.EXE,1448,C:\Program Files (x86)\Norton Internet Security\Engine\20.2.1.22\ccsvchst.exe,4324,Access Process Data,Unauthorized access blocked
Category: Norton Product Tamper Protection
Date & Time,Risk,Activity,Status,Recommended Action,Date,Actor,Actor PID,Target,Target PID,Action,Reaction
2/27/2013 1:56:22 AM,Medium,Unauthorized access blocked (Access Process Data),Blocked,No Action Required,2/27/2013 1:56:22 AM,C:\PROGRAM FILES\SUPERANTISPYWARE\SASCORE64.EXE,1448,C:\Program Files (x86)\Norton Internet Security\Engine\20.2.1.22\ccsvchst.exe,2036,Access Process Data,Unauthorized access blocked
Category: Norton Product Tamper Protection
Date & Time,Risk,Activity,Status,Recommended Action,Date,Actor,Actor PID,Target,Target PID,Action,Reaction,Terminal Session
2/27/2013 1:47:37 AM,Medium,Unauthorized access blocked (Access Process Data),Blocked,No Action Required,2/27/2013 1:47:37 AM,C:\PROGRAM FILES (X86)\MALWAREBYTES' ANTI-MALWARE\MBAM.EXE,2924,C:\Program Files (x86)\Norton Internet Security\Engine\20.2.1.22\ccsvchst.exe,2036,Access Process Data,Unauthorized access blocked,1
Category: Norton Product Tamper Protection
Date & Time,Risk,Activity,Status,Recommended Action,Date,Actor,Actor PID,Target,Target PID,Action,Reaction
2/26/2013 9:03:10 PM,Medium,Unauthorized access blocked (Set Registry Security Key),Blocked,No Action Required,2/26/2013 9:03:10 PM,C:\WINDOWS\SYSTEM32\SVCHOST.EXE,804,HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_BHDRVX64\0000\Control\,0,Set Registry Security Key,Unauthorized access blocked