Burned your ISO DVD image, made with Videopad, to a DVD-RW and it played just fine on the Samsung BR/DVD machine.
What version of VP is being used? Suggest updating to 8.97.
For licensed users upgrades are free for up to six months from purchase date. After that, VP will continue to fully function but a fee will be required in order to register the newest. Retain your old install file and registration info.