When I try to open the study guide / downloaded questions, I get an error message that states: “There was an error opening this document. The viewer cannot decrypt the document”, what is wrong?
This error message is displayed when you use an older version of Acrobat Reader to open a document that has been encoded with the latest version of Adobe Acrobat. You must download Adobe Acrobat Reader 5.0 or above to open such documents. You can download a free version Adobe Acrobat Reader 5.x from Adobe.
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