Mark44 said:It appears to me that Windows doesn't know how to find your compiler. You need to add the directory path for the Fortran compiler to the path environment variable. Here's a link that might help if you don't know how to do this: http://www.computerhope.com/issues/ch000549.htm.
Mark44 said:I'm not convinced that you have the path variable set correctly. The screen shot was pretty small, so was hard to read. The 2nd item looks like C:\gcc\libexec\gcc\686pc...
Does this actually refer to a directory on your computer? The two gcc parts in the path seem odd to me.