1 person found this helpful
Which OS are you using?
There are some solutions mentioned on this thread that might be helpful to you :The specified item was not found.
You might also want to check the KB : Installing Adobe Digital Editions 2.0 in Windows Vista
Thanx. Windows 8.1 pro. I will try to search the soluton in the link.
I tried all that was suggested in the links provided. But the thing just does ot work. However I have dowloaded a window application eBook de Reader and it is permitting me to read the books. However I find it really surprising that a company like Adobe does not adress the problems with upgrades for windows. Thank for all the help.