| Users | Filename | Product | Company | Version | Variant |
|---|---|---|---|---|---|
| 31.08% | %COMMONFILES% \ Symantec Shared \ NPC \ npclu.dll | Norton Protection Center | Symantec Corporation | 2008.6.0.18 | 1715996 |
| 17.57% | %COMMONFILES% \ Symantec Shared \ NPC \ npclu.dll | Norton Protection Center | Symantec Corporation | 2008.2.0.5 | 1827398 |
| 13.51% | %COMMONFILES% \ Symantec Shared \ NPC \ npclu.dll | Norton Protection Center | Symantec Corporation | 2008.8.0.7 | 1757445 |
| 13.51% | %COMMONFILES% \ Symantec Shared \ NPC \ npclu.dll | Norton Protection Center | Symantec Corporation | 2008.6.0.18 | 2241192 |
| 8.11% | %COMMONFILES% \ Symantec Shared \ NPC \ npclu.dll | Norton Protection Center | Symantec Corporation | 2008.1.0.98 | 4827079 |
| 6.76% | %COMMONFILES% \ Symantec Shared \ NPC \ npclu.dll | Norton Protection Center | Symantec Corporation | 2008.2.0.5 | 1529143 |
| 5.41% | %COMMONFILES% \ Symantec Shared \ NPC \ npclu.dll | Norton Protection Center | Symantec Corporation | 2008.8.0.7 | 1925304 |
| 1.35% | %COMMONFILES% \ Symantec Shared \ NPC \ npclu.dll | Norton Protection Center | Symantec Corporation | 2008.2.0.5 | 9222391 |
| 1.35% | %COMMONFILES% \ Symantec Shared \ NPC \ npclu.dll | Norton Protection Center | Symantec Corporation | 2008.1.0.98 | 32913984 |
| 1.35% | %COMMONFILES% \ Symantec Shared \ NPC \ npclu.dll | Norton Protection Center | Symantec Corporation | 2008.1.0.98 | 8553037 |