No, DavidR, I meant that the files were blocked during Avast Scan, as the Menu Default informed me.
The Scan Message reported “JS:Seeker-le2” virus or worm within
windows\applicationdata\identities{E19A1203…}.

I installed Avast 4.6 home free edition. Will it be the reason for having the files blocked? Could I open them anyway? I tried all the menu possibilities and I didn’t really get how to do it. I guess you are right: that’s the reason for Avast not to recognize the file where the virus was installed.