No idea what happened there, but clearly not related to schooltool.
Might be a defective CD drive, quick google found http://ubuntuforums.org/showthread.php?t=1664221 and there are more.
No idea what happened there, but clearly not related to schooltool.
Might be a defective CD drive, quick google found http:// ubuntuforums. org/showthread. php?t=1664221 and there are more.