Check to see if it's either the program acting up or the drive:
Put a blank disk in. Click "My Computer". Right click the drive letter corresponding to the cdburner. If it's reading disks, it'll show you a disk is inserted but with no label, with no bytes used up. Then double click the drive to see if it prompts you. If you get no prompt, and if it doesn't even tell you there's a disk in with no bytes and no label, then the drive isn't reading the disk at all. Try a second blank disk to make sure it's not a bad cd disk. If it does tell you there's a disk with 0 bytes, no label, etc., then the disk is being read.
This will atleast narrow it down to your program or something else going on. If it's the program, try uninstalling the burner software and drivers, and then reinstall all over again.
Good luck!