Close all applications, including DMM.
Download the latest version of the DMM from http://www.usasupport.philips.com. You may need to enter the model number e.g. hdd100, to view the latest PC software downloads.
Make sure that you save the file(s) in a folder on your PC. Unzip them before you install the DMM.
Click on the exe file. Follow screen instructions to uninstall your existing DMM.
Click on the exe file again. Follow screen instructions to complete DMM upgrade.