On 08/10/14 11:16, Renato Pontefice wrote: > > on my windows XP, I' ve installed lyX 1.6.9. > It still does not work. I've problema on preview PDF, DVI etc.
LyX 1.6.9 is now rather old (as is Windows XP). Have you tried installing and running the latest version of LyX (v2.1.2)? Regards, Will Furnass Doctoral Student Pennine Water Group Department of Civil and Structural Engineering University of Sheffield Phone: +44 (0)114 22 25768