VOCALOID4 and earlier version of Editors / Voicebanks cannot be authenticated / deauthorized with "VOCALOID Authorizer".
VOCALOID Authorizer is a dedicated application for VOCALOID5.
The authentication and deauthentication methods before VOCALOID4 are summarized on the following page.
Check the authentication / deauthentication method according to the type of software and the OS being used.
- Activation (Authentication) of VOCALOID Products
- Deactivation (Restoring Authentication Information) of VOCALOID Products
If you are unable to find a solution in the Troubleshooting section, please use the Inquiry Form to submit an inquiry.