While a full test of X-RiteColor Master running on Vista has not been performed (07/09/2007 jgm), preliminary results indicate that it works fine as long as the customer is not using any USB connected instruments. Customers also need to make sure they “Run as Administrator” when licensing the application, even if they are the administrator on that PC. Owing in part to the instability of the Vista OS itself, we cannot state that X-RiteColor Master is fully Vista ready at this time and additional verification testing is required.