Adobe Reader offers a browser plug-in to let you view PDF files in Firefox, Internet Explorer and Google Chrome. Although useful, it contains an error that makes it occasionally disappear from browsers -- Firefox in particular -- when you try to enable it. To display the missing plug-in, you have to reset it in the Adobe Reader preferences.

The Adobe Acrobat Reader plugin usually installs in the root /Library folder, whereas the Go menu takes you to the Users ~/Library folder, thus the Go-To Folder trick being easier (though you could certainly navigate there from the root directory within Finder too). Up to Mac 10.4 there was a 'Plug-ins' section in the information dialog of Acrobat/Reader, which was good to install/deinstall plug_ins. I don't find this section anymore. I am searching a sample, how to create an installer for the plug_ins correctly. FileOpen Plugin For Adobe Reader/Acrobat Troubleshooting FAQ. Need help opening a protected file? Ask the publisher/sender first. Within Adobe Reader or Acrobat navigate to Help > About Third-Party Plug-Ins, if you have successfully installed the 'FileOpen Client' should appear as outlined in the images below. Mac Plugin; Proceed as.

Step 3

Select 'Preferences' from the 'Edit' menu, and click the 'Internet' tab.

Step 4

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Unselect 'Display PDF in Browser' and click 'OK.' If it is already not selected, you can skip this step.

Step 5

Return to the 'Internet' tab, but this time select 'Display PDF in Browser' and click 'OK.'

Open your Web browser again. Toggling the Reader preferences will have fixed the issue.

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Adobe Acrobat Reader For Mac

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