error message

[fein68678119]

i legally bought books and i can't open them . message: there was an error opening this document the security plug in required. How to solve this problem?

[fein68678119]

Sorry the error message was : there was an error opening this document the security plug in required by this command is unavailable... i unticked the choice enable protected mode at startup, but the problem remains...Please help me

[AadeshSingh]

Hi fein68678119,

Is it related to Adobe Digital Editions?

Regards,
Aadesh

[Sara_Forsberg]

[discussion moved from Reader forum]