DVD players can be picky when in comes to different brands.
Use a good brand like Verbatim or Taiyo Uden.
If its a old dvd player make sure to burn at lower speed. (might need to make a iso and burn with e.g. Imgburn)
I used Verbatim and Sony DVD's. My DVD player is kind of old. It is Magnavox Dolby Digital Full HD 1080p NB500MGX. I am not sure if you can lower the speed on the Adobe Premiere Elements 14 export option.
I am having the same problem. If I opt to burn a disc vs. ISO, I get a message- no burner available. I have a burner, which will burn the ISO data. If I use the ISO data burn, when I then burn that through windows media or Nero express, I get a Disc that will play on the computer but not through my DVD player. I used to do all of this with no issues in Elements and Premiere Elements 7. So, I too am looking for answers.
If you are getting an ISO file and if your DVD will play on your computer, then the program has done its job.
Issues with discs that will not play in a DVD player but will play on a computer always indicate a problem with the DVD player. Not all DVD players play home-burned DVDs equally well.
As Ann says, you can increase the likelihood the DVD will play by using a quality brand like Verbatim. You can also improve the odds by using ImgBurn (a free download) to burn the ISO to a DVD. ImgBurn has a Verify feature that helps make the disc as playable as possible.
I have a free tutorial on installing and using ImgBurn on my web site.