| 12.99% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 12.8.0.4 | 1492158 |
| 10.39% | %PROGRAMFILES% \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 10.0.25.3 | 4082045 |
| 6.49% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 12.0.2.5 | 3112759 |
| 5.19% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 11.5.3.4 | 13089698 |
| 5.19% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 10.0.13.3 | 26435480 |
| 5.19% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 12.0.5.3 | 19691413 |
| 5.19% | %PROGRAMFILES% \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 9.20.0.3 | 2765502 |
| 3.9% | %PROGRAMFILES% \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 9.20.0.3 | 7053075 |
| 3.9% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 14.2.0.29 | 2294222 |
| 2.6% | %PROGRAMFILES% \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 10.0.10.13 | 9980144 |
| 2.6% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 11.5.7.2 | 5729882 |
| 2.6% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 11.0.16.2 | 26695671 |
| 2.6% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 14.1.0.27 | 2796462 |
| 1.3% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 11.5.3.4 | 22797193 |
| 1.3% | %PROGRAMFILES% \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 12.8.0.4 | 3432950 |
| 1.3% | %PROGRAMFILES% \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 10.0.13.3 | 28795697 |
| 1.3% | %SystemDiskRoot% \ S_Manut \ SystemWorksPro \ Norton Antivirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 10.0.10.13 | 9146752 |
| 1.3% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 11.5.6.14 | 24634101 |
| 1.3% | %PROGRAMFILES% \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 12.0.3.1 | 5046558 |
| 1.3% | %PROGRAMFILES% \ Norton SystemWorks \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 9.20.0.3 | 31922930 |
| 1.3% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 10.0.10.13 | 2411421 |
| 1.3% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 10.0.0.109 | 6553196 |
| 1.3% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 10.0.0.109 | 21819630 |
| 1.3% | %PROGRAMFILES% \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 11.0.9.16 | 23813364 |
| 1.3% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 12.8.0.4 | 3617988 |
| 1.3% | %PROGRAMFILES% \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 10.0.10.13 | 29370179 |
| 1.3% | %PROGRAMFILES% \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 10.0.10.13 | 2137635 |
| 1.3% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 11.0.9.16 | 25047185 |
| 1.3% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 11.0.8.9 | 33459457 |
| 1.3% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 14.0.0.89 | 3146440 |
| 1.3% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 10.0.10.13 | 21855761 |
| 1.3% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 11.0.17.1 | 24079891 |
| 1.3% | E: \ Winapps \ Norton \ NAV \ navopts.dll | Norton AntiVirus | Symantec Corporation | 10.0.10.13 | 31680745 |
| 1.3% | %PROGRAMFILES% \ Norton SystemWorks \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 9.20.0.3 | 12491962 |
| 1.3% | %PROGRAMFILES% \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 12.8.0.4 | 26143554 |
| 1.3% | %PROGRAMFILES% \ Norton SystemWorks \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 9.20.0.3 | 5831442 |
| 1.3% | %PROGRAMFILES% \ Norton Internet Security \ Norton AntiVirus \ navopts.dll | Norton AntiVirus | Symantec Corporation | 12.0.3.1 | 21583374 |