Does Windows Explorer note that there is used capacity on the disc, but fail to see any files? If so, you may not have closed the disc properly. You must finalize DVD-R and CD-R discs if you want them to play on other PCs or devices. Be sure to check that box before you burn. Also, try lowering the burn speed in software--you may be able to avoid errors by slowing the rate of rotation.

Even if you properly close your discs, you may still see occasional corrupt-file messages or other errors on playback. You can recover information from troubled discs with a utility like IsoBuster that scans balky optical discs and can rebuild lost files on your hard drive. You may be able to resolve persistent issues by downloading a file that upgrades the firmware on your CD or DVD writer; check with the drive vendor for the latest firmware version.

Some combinations of drives, burning software, and disc media may never get along. Try new media first, and look for a firmware upgrade if you continue to have problems. Ongoing difficulties may force you to experiment with another software package or to purchase a more reliable drive.