For technical support please use the "Feedback" function in Curve4. You can also submit data files, feature requests and bug reports in the same manner.
Any feedback items submitted will be attached to your free http://www.mxwell.com Maxwell account (mxwell.com) if the email address matches the address in the account. Feedback items can then be reviewed and tracked online.
For additional technical support and discussion, use the Curve forum at colorforums.com
Contact your dealer or CHROMiX directly for software purchases & upgrades.