> Try running: > > make check_nt.exe > > This works for me in both 1.3.1 and 1.4-beta1. Wow ... that did it! I tried "make check_nt" before like you would do in Unix, but I always got lots of undefined references then. Thanks a lot. I'll try to keep you informed about my progress in getting nagios to work on Cygwin :) Jan Van der Veken