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How to Manually Uninstall Symantec Norton AntiVirus Corporate Client Edition 7.5 and 7.6 for Microsoft Windows NT/2000/XP

Last Updated April 17, 2008

Issue

Reference: Symantec Document ID 2007982458770398

This article contains instructions for manually uninstalling theCLEINTedition of Symantec Norton Antivirus Corporate Edition. For instructions to uninstall the SERVER edition, please see How to Manually Uninstall Symantec Norton AntiVirus Corporate Server Edition 7.5 and 7.6 for Microsoft Windows NT/2000/XP.

How to uninstall Symantec Norton AntiVirus Corporate Edition 7.5 and 7.6 client for Microsoft Windows NT/2000/XP manually?

Solution 

The easiest way to remove Norton AntiVirus client from a Microsoft Windows NT/2000/XP computer is to run the uninstaller program from Add/Remove Programs in the Windows Control Panel. If you cannot remove the program this way, then it must be removed from these three places: 

  • The registry
  • The Start menu
  • The hard drive

Stop the following services before removing items from the registry, Start menu, or the hard drive:

  • DefWatch
  • Norton AntiVirus Client

Remove Norton AntiVirus from the Registry

To Remove Norton AntiVirus from the Registry

1. Delete the following key:

HKEY_CLASSES_ROOT\*\Shellex\ContextMenuHandlers\LDVPMenu

2. In the left pane, delete the following keys:

  • DefWatch
  • NAVAP
  • NAVAPEL
  • NAVENG
  • NAVEX15
  • Norton AntiVirus Client
  • Norton AntiVirus Server - This key is not expected on a Norton AntiVirus client, but delete it if itis present.

3. Delete the SymEvent key only if Norton AntiVirus is the only Symantec program on the computer.
4. Go to the following key:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\EventLog\Application

5. In the left pane, delete the following keys:

  • Defwatch
  • Norton AntiVirus

6. Delete the following key:

HKEY_LOCAL_MACHINE\Software\Intel\DLLUsage\VP6

7. Go  to the following key:

HKEY_LOCAL_MACHINE\Software\Symantec\InstalledApps

8. In the right pane, delete the following values:

  • NAVCEClient Number
  • VP6ClientInstalled
  • VP6TempID

9. In the left pane, click My Computer.
10. On the Edit menu, click Find.
11. Search for the following string, and delete any keys or values found:

VirusProtect6

12. In the left pane, click My Computer.
13. On the Edit menu, click Find.
14. Search for the following string, and delete any keys or values found:

74BE21DBFDBD3D11EBAE000ACC725290

15. Delete the following key:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{BD12EB47-DBDF-11D3-BEEA-00A0CC272509}

16. Delete the following value:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run\vptray

17. If no other Symantec products that use virus definitions are installed, delete the following value:

HKEY_LOCAL_MACHINE\Software\Symantec\SharedDefs

18. Exit the Registry Editor, and then restart the computer.

Norton AntiVirus is now disabled, even though traces of it remain in the registry. These traces have little impact on how your computer operates. It is not necessary to remove them.

To Remove Norton AntiVirus from the Start Menu and Hard Drive

  1. On the Windows taskbar, right-click Start, and then click Open All Users.
  2. Double-click Programs.
  3. Right-click the Norton AntiVirus Corporate Edition folder, and then click Delete.
  4. In Windows Explorer, open the Program Files folder.
  5. Right-click the NAVNT or NAV folder, and then click Delete.
  6. Do one of the following, depending on your version of Windows:
    1. Windows 2000/XP: Open the C:\Documents and Settings\All Users\Application Data\Symantec folder.
    2. Windows NT 4.0: Open the C:\Winnt\Profiles\All Users\Application Data\Symantec folder.
  7. Do one of the following:
    1. If Norton AntiVirus is the only Symantec product installed, delete the Symantec folder.
    2. If other Symantec products are installed, delete the Norton AntiVirus Corporate Edition folder.
  8. If no other Symantec products that use virus definitions are installed, delete the Program Files\Common Files\Symantec Shared\VirusDefs folder.
  9. Exit Windows Explorer.