There are numerous different loaders required for the different Echostar models. If you are upgrading from a very early level of software you probably need the receiver bootstrap replacing as well. Full details can be found on the website: http://www.echostar-int.com/indexie3.htm Navigate to: Support - downloads - pcsoftware. Echostar stopped ota software updates about 3 years ago - software upgrades patches are now only available from the site above. Support - downloads - software Please note - there are no unofficial patches availabe for Echostar receivers.