How-to: Uninstall Symantec without the password
On corporate versions of Symantec, the uninstall procedure may be protected by a password, to avoid users uninstalling this security product.
By default the password is : symantec
You can however in case you have lost the password still uninstall, it just requires you to go to registry.
Locate DWORD called UseVPUninstallPassword, modify value to 0 (this disables the password)
Close the Registry editor and continue with your uninstall