Dragon has a DNS Remover utility that was created to remove the Dragon NaturallySpeaking 10 program files from your system. Only run this utility if the regular Uninstall process does not successfully remove Dragon NaturallySpeaking 10 from the system. Save this file to the windows desktop. After running this utility, reboot the machine and Dragon NaturallySpeaking 10 will be uninstalled. Note: On a machine with restricted user rights, log into the machine with administrator rights before running this utility.
The link below will redirect you to download this utility.