I too copied your file, though I have not read it yet. I did try to use your link for Extreme Burner and my browser told me it contained a trojan. I'm using Win10 and Firefox. Apparently EB development stopped with Win8. Maybe that's why AVRDUDE gets so much attention. It seems to me that 'DUDE is often paired with Arduino and/or Linux, neither of which I use, so EB sounds like something that could work better for me. Thanks for your post.