Welcome to the Forum.
Unfortunately you need to provide more detailed information other than â€œIt just stopped workingâ€.
Explain in complete detail exactly what is happening when you attempt to Burn to this undisclosed CD-RW Media. Provide any Error Narrative(s) and/or Error Code(s) that you might be receiving.
Also provide an N e r o Log of a failed CD-RW Media Burning attempt.