How to disable the “uninstall password” to uninstall Symantec Antivirus

1. Open Registry Editor (regedit).
2. Navigate to the following registry key:

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

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