Go to the palm website and use the 4.1.4e for the lifedrive, that's what I used with my tg50 and it worked great. if not, load the one up from cliedrivers.org, i think thats the name of it at least. You have to sign up, but they will let you download the whole original install cd. Another option is to ebay the install cd, usually 5 bucks after shipping.