Avira playing up

Hey guys,
I updated my avira free edition to version 10 and now it keeps saying that I have "15 hidden objects" on my PC and need to insert the CD, I had a look on the avira forum and people are saying that the CD isn't making any difference anyway...Do you think it's just finding the usual hidden files that windows generally has?

Maybe it means the "15 hidden objects" are on the cd in your cd/dvd drive or daemon tools type of virtual drives.