Please, do the following procedures before to upgrade your Operating System:
1: Decrypt the Operating System HDD if encrypted;
2: Uninstall DCPP (DriveCrypt Pluis Pack);
3: Upgrade the operating system to the new version;
4: Re-install DriveCrypt Plus Pack on the new version.
To more information about DCPP uninstallation, please access http://www.securstar.com/support/dcpp_videos/en/
If you have any doubt about this process, please contact us on http://www.securstar.com/contact.php.
SecurStar Team