Adobe Fileopen Plugin |best| -

If you open the file and see a message saying "View document using Adobe Acrobat," do not try to view it in your web browser. Save the file to your desktop and open it directly from the Adobe Reader application.

The is a specialized Digital Rights Management (DRM) tool used primarily to view highly secure or subscription-based PDF documents, such as British Standards (BSI) or legal texts. adobe fileopen plugin

This usually means there is a conflict between the version of the plugin and your Adobe Reader. If you open the file and see a