Ghost 15 error ED800012 Internal structure invalid etc

Ghost 15 will not complete a recovery point and gives an error ED800012. This is on acleansystem running Vista home premium, a quad processor and an ASROCK motherboard. There are NO other applications to worry about it is as good as aTestplatform. I have posted this issue on theTestersforum and would like an answer, what is meant by codeED800012”.    Deric.