To resolve this problem, the user just needs to download the latest update to ARC v.1.1.2. Please have the user register his serial number with us at http://www.ikmultimedia.com/registration, leaving the DIGITAL ID field empty. Once registered here, the user will have access to download the update. Uninstall the previous version and install the latest update. The user will be able to correctly finish his ARC measurements with no error.