This might help. When I go looking for the avr-g++ file on my computer I find it. But the path is not exactly the same as the file being referenced in the error message. The file path in the error message shows backslashes between folders down to the 'avr' folder. Then, it has a forward slash between 'avr' and 'bin'. On my computer this is a backslash between those two folders. As literal as computers are this is probably why it can't find the file? Thoughts?