Does real player have its own burner software or does it use whatever software you have installed? Does your DVD burner work for other recording sessions? Your DVD burner may be defective or there might be a problem with the disks.
Why are you using Real Player for anything? It's not a good program & past versions have been know to include spyware. I suggest you uninstall it, run a full virus/malware scan from safe mode, then switch to another program.
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