Finalizing DVD's which were recorded on a different recorder?

[qanda]This question is published in the hardware section for the JVC DR-MH30SE. Click here to view full specs.[/qanda]I have a number of DVD-R disc’s which I am trying to finalize. My problem being that the origonal recorder JVC DR-MH30SE is no longer reading any of the DVD’s which were recorded on this unit, it does however still play CD’s. I have since purchased a new Pioneer recorder. Is there any software that I may be able to access in order to finalize these disc" on my PC??? Can anyone help me???

I am just quoting from an earlier question I read about corrupt discs. The reply said to try ISOBuster or ISOPuzzle. I have a similar problem so have been researching this. Let me know if you come up with anything else.