That’s also easy to change, and you can quickly set the Preview app to become the default PDF viewer again by making an easy adjustment in the Finder.Īside from the annoyance of having slow cruddy software takeover something unexpectedly, Adobe Acrobat Reader has also at times carried security flaws that could potentially make a Mac vulnerable to outside attack. While this returns the PDF viewing capabilities back to the speedy Safari default behavior, you may still find that PDF files open in Adobe Acrobat Reader elsewhere on the Mac. We generally recommend deleting them, and should you decide you want to have Acrobat Reader plugin as the default PDF viewer within Safari again, download the newest version from Adobe Acrobat so that you are sure to have the most updated release installed on the Mac. * Note that you can also choose to back these two AdobePDFViewer files up somewhere if you want to. Once you’re removed the plugin and relaunched Safari, the default Safari PDF viewer capability kicks in again to load embedded PDF files: Relaunch Safari for changes to take effect, confirm the change has taken place by loading a PDF into Safari app ( try this link to a free PDF book for testing purposes).Delete* those two AdobePDFViewer files from the Internet Plug-ins folder.Locate the file(s) named “ugin” and “ugin” – some versions will only have one of these files visible.From the Mac Finder, hit Command+Shift+G to bring up the Go To Folder window, and enter the following path exactly:.We’re going to demonstrate how to remove that Acrobat Reader plugin from Safari and get the default PDF viewing capabilities back in Safari on the Mac. Uninstalling Adobe Acrobat Reader Plugin From Safari on Mac

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