MakeitOne

I'm using MakeitOne on Windows Vista (64-bit) and the program works fine, however, after I compile the files and go to the next set, there's no Clear button to click. I only see the Go button. I can't clear the previously compiled files without closing the program and restarting it. I've tried maximizing the window to see if the clear button is hidden, but no luck. I've also tried right-clicking the files to delete them from the pane - also no luck. I previously used this program on my old Windows XP machine. There was a Clear button on it....and it was very convenient.

Any suggestions?
Thanks,
Gayle