I have a problem:

[kiam001]

When I open Adobe Digital Editions and I get the email simply indicating on Computer Authorization connection error no connection to the activation server possible. although I have internet. it may be that an error in adobe digital editions please present to help.

[Kathy96]

Same here except I just get a plain message
"Digital Editions could not connect to the activation server."  Not descriptive and not friendly,

DRM solution. No-one can read it.