Hi, I want to run tcltklib on Win NT4 using ruby cygwin 1.4.5. I've tried to follow the previous advice on the list (downloaded Michael Neumanns tcltklib83.dll): bash-2.04$ ruby -v ruby 1.4.5 (2000-06-26) [i686-cygwin] bash-2.04$ set | grep Tcl PATH='/usr/bin:/usr/local/bin:/cygdrive/c/Perl/bin/:/cygdrive/c/WINNT/system32:/ cygdrive/c/WINNT:/cygdrive/c/THINKPAD:/cygdrive/c/Prg/Emacs/bin:/cygdrive/c/PROG RA~1/Tcl/bin:/cygdrive/c/usr/local/bin:/cygdrive/c/Prg/texmf/miktex/bin:/cygdriv e/c/Program Files/Cvs:/cygdrive/c/Program Files/Tcl/bin' TCL_LIBRARY='c:\Program Files\Tcl\lib\tcl8.3' TK_LIBRARY='c:\Program Files\Tcl\lib\tk8.3' bash-2.04$ ls //c/Program\ Files/Tcl/lib tcl8.3 tk8.3 bash-2.04$ ls //c/Program\ Files/Tcl/bin msvcrt.dll tclpip83.dll tk83.dll tcl83.dll tclsh83.exe wish83.exe bash-2.04$ ls /usr/local/lib/ruby/1.4/i686-cygwin/tcl* /usr/local/lib/ruby/1.4/i686-cygwin/tcltklib.rb /usr/local/lib/ruby/1.4/i686-cygwin/tcltklib83.dll so far so good but if I now: bash-2.04$ rubye ruby> require 'tcltklib' LoadLibraryExA: d:\usr\local\lib\ruby\1.4\i686-cygwin\tcltklib83.dll ERR: /usr/local/lib/ruby/1.4/i686-cygwin/tcltklib.rb:6:in `require': 126: The specified module could not be found. - /usr/local/lib/ruby/1.4/i686-cygwin/tcltklib83.dll bash-2.04$ rubye ruby> require 'tcltklib83' LoadLibraryExA: d:\usr\local\lib\ruby\1.4\i686-cygwin\tcltklib83.dll ERR: (eval):1:in `require': 126: The specified module could not be found. - /usr/local/lib/ruby/1.4/i686-cygwin/tcltklib83.dll so there is a problem when loading the dll. Any hints? Regards, Robert