If you use Windows 95/98/Me, read How to uninstall Norton AntiVirus Corporate Edition 7.x client for Windows 95/98/Me manually.
 
The easiest way to remove Norton AntiVirus client from a 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
 

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Note: You must have administrator permissions (read and write) to edit the registry.

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WARNING: In the next steps you will edit the Windows registry. Back up the registry before you make any changes to it, because incorrect changes to the registry can result in permanent data loss or corrupted files. Modify only the registry keys that are specified.
For instructions, see How to back up the Windows registry.

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To remove Norton AntiVirus from the registry

1. Delete the following key:

HKEY_CLASSES_ROOT\*\Shellex\ContextMenuHandlers\LDVPMenu

2. Navigate to the following subkey:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services

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 it is 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 key:

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 disk

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:
• Windows 2000/XP: Open the C:\Documents and Settings\All Users\Application Data\Symantec folder.
• Windows NT 4.0: Open the C:\Winnt\Profiles\All Users\Application Data\Symantec folder.
7. Do one of the following:
• If Norton AntiVirus is the only Symantec product installed, delete the Symantec folder.
• 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.