Remove / Uninstall Symantec Norton Antivirus (SAV) Client without Password

* Open Registry Editor (regedit).

* Navigate to the following registry key:

HKEY_LOCAL_MACHINE\SOFTWARE\INTEL\LANDesk\VirusProtect6\CurrentVersion\Administrator Only\Security\

* Change the value for useVPuninstallpassword key from 1 to 0.
Exit Registry Editor and now you can uninstall Symantec AntiVirus Client.

This will work on most version of Symantec AntiVirus client or Norton AntiVirus Client.