I'm working in Windows XP, and I see in the main LyX directory the file LyXWinUninstall.exe. Does that help to answer the question?
-- Murray Eisenberg mur...@math.umass.edu Mathematics & Statistics Dept. Lederle Graduate Research Tower phone 413 549-1020 (H) University of Massachusetts 413 545-2859 (W) 710 North Pleasant Street fax 413 545-1801 Amherst, MA 01003-9305