Ag. and I have written this add-on to Eudora, in order to get rid of this so unpleasant advertisement window in the free full-featured version of Eudora 5.0. To install Eudoplus, you just need to copy it into the Eudora installation directory, and to launch eudoplus.exe instead of eudora.exe : it will launch Eudora for you, but without the ads window.