This issue only occurs with VOCALOID6 version 6.0.0 and 6.0.1. It has been fixed in VOCALOID6 version 6.0.2.
On PCs (Windows or Mac OS) that adjust for daylight saving time automatically, an issue has been identified in which VOCALOID6 cannot determine the trial period correctly. If this fault occurs, please update VOCALOID6 to version 6.0.2 or higher.
If you are unable to find a solution in the Troubleshooting section, please use the Inquiry Form to submit an inquiry.