I get the CRC error massege when I install the the VOCALOID voice library.
byyusu
Category :Error when installing voice library or Piapro StudioSupport

Check below if you have cyclic redundancy check (CRC) error when you install the VOCALOID voice library.

Compatibility with your DVD drive.
If you have multiple DVD drive, install using another DVD drive.
Therefor, the installer disk of VOCALOID3 voice library and VOCALOID4 voice library of crypton product is the single-sided dual-layer type, Check your DVD drive whether it adjust to read it.

There isn’t enough free space in the install directory.
Check the space of the install directory whether it isn’t insufficient.

Copy the contents of the installer disk to the local PC and execute the install.
Once copy the contents of the installer disk of the VOCALOID voice library to the local PC(ex. desktop) and install by starting directly “setup.exe” on the local PC.

Reboot the system.
Once reboot the system and reinstall as an administrator.