On Tue, 20 Nov 2007, Nieves Sánchez Martínez wrote: > I'm now begining to work with Gretl but I have a problem because > I don´t have write permissions in Windows Registry. Please try the current gretl snapshot for Windows and see if that solves your problem. http://ricardo.ecn.wfu.edu/pub/gretl/gretl_install.exe Allin Cottrell