That's a very old VP version. Try the latest. If 4.22 was licensed, be sure to retain the installer and registration code.
To avoid coasters, test your DVD creation with a DVD/RW disk (re usable). Or create an IMAGE ISO file that when double-clicked will launch a virtual drive letter in Windows 10. A DVD player utility can then open that drive as if it were an actual DVD. To delete the virtual drive, right-click its drive letter and Eject.
Share your project and someone will check out DVD creation. It's not difficult.
Here's how... http://nch.invisionzone.com/topic/23659-tips-for-getting-help-on-this-forum/
If it contains sensitive material you can link it in a personal message (PM) to me, via the envelope above. Be sure to FILE|SAVE PORTABLE PROJECT AS, not simply SAVE PROJECT, and don't forget to share it.