Edit error

Hi there,
I am new and I have just downloaded Dynare (4.4.0) and Octave(3.6.4). When I run example1, it works. But when I try to edit it, it shows an error:

error: system: CreateProcess failed – can’t create child process
error: called from:
error: C:\Software\Octave3.6.4_gcc4.6.2\share\octave\3.6.4\m\miscellaneous\edit.m at line 301, column 7

Anyone can help?

I solved the problem. I just installed again Octave.
Thanks anyway