You can not format CD-R. You need to get a Rewritable Cd which will allow you to use it over and over again. However, if you're using it for the first time and having trouble writing to it, I suggest you to try the Microsoft Automated Troubleshooter at
http://support.microsoft.com/gp/cd_dvd_drive_problems.
Proposed as answer byFrank_673Monday, June 21, 2010 7:37 PM