Sebastian, Sorry, forgot to indent last reply, try this one!
> LyX: Creating directory /cygdrive/d/home/.lyx/ and running configure... Problem could be here: > export HOME="/cygdrive/d/Home" Obvious maybe, but do you have d drive? It appears all your other paths are c:\... I use export HOME="/cygdrive/c/cygwin/home/blah" > export DISPLAY=127.0.0.1:0.0; > export PATH="/usr/bin:/usr/local/bin:/usr/X11R6/bin:/bin:$PATH" > export USER="`id -un`" > export MAKE_MODE=unix > export OSTYPE=cygwin > unset DOSDRIVE > unset DOSDIR > unset TMPDIR > unset TMP > > Thanks in advance for your help! > Sebastian