I have made a more windows friendly packjage for the mingw32 gcc432 compiler that you can test if you want.It uses the inno installer. give it a try and see what you think. http://otter-rsch.com/admb-org-rc/setupADMB_gcc432_mingw32.exe -- David A. Fournier P.O. Box 2040, Sidney, B.C. V8l 3S3 Canada Phone/FAX 250-655-3364 http://otter-rsch.com