If you have been having problems with Cricut Design Studios reading the cartridge Making the Grade here is what you need to do. First you will need to uninstall design studios and then reinstall from this link http://www.cricut.com/cds/Update.aspx . Once you have reinstalled you will need to open the design studios and go to the help tab and update cricut firmware. Make sure you follow those steps exactly. This will resolve this issue. Thank you for your continuing interest in Provo Craft.
AdminBecky (Cricut Message Board)