Angels have the Phone Box
Right click the file(s) and select SEND TO then DVD DRIVE
Open File Explorer, highlight your CD/DVD drive and select FINISH BURNING.
If you don't see the commands at the top, click on the down arrow in the top right-hand corner to show the command ribbon:
Make sure you have blank writable media in the drive before you click BURN.
If you're still having problems, you could try a program like ImgBURN. Just be sure you don't install any of the "extras" when installing it.