Tim Peters
[Ausum Studio]
I ran the service in debug mode and apparently the problem was in the path. I had already updated it according to http://www.zopelabs.com/cookbook/1091948185 , but I had used long names with spaces in between: "G:\Archivos de programa\Zope27\lib\python"
Changed to 8.3 format and that made it.("G:\ARCHIV~1\Zope27\lib\python")
I don't know all the details, but that makes sense.so far as I do. Some basic Win32 API calls have no idea what to do with a space-infected pathname (which is one reason you can still use 8.3 alias names on the newer Windows filesystems, none of which have an *obvious* need for them).
In almost all cases I have had, surrounding the file name with double quotes takes care of any problems. For the same reason, it is good practice to write "%1" (with quotes) for the argument placeholder of command lines. I recommend trying this first, before resorting to the 8.3 syntax. Cheers, Tom P