Sun reported the vulnerabilities to Adobe directly, explaining that even with macOS System Integrity Protection enabled, the flaw could have allowed system-level access to an Adobe Acrobat DC user’s Mac. The issue, as highlighted by Gizmodo, could have allowed root access to a Mac without being detected. And follow the onscreen instructions.Adobe has pushed a critical update to Adobe Acrobat for macOS today, fixing a trio of vulnerabilities reported by Tencent Security Xuanwu Lab researcher Yuebin Sun.

Double click the AdobeAcroCleanerTool.dmg and click the AcroCleanerTool.app.

Download the AcroCleaner ( follow this link).

Then go to Finder > Applications and drag the Adobe icon to the Trash. This will remove everything including related preference or settings files. The AcroCleaner is an Adobe product that can be used to remove a standalone installation of Reader or Acrobat.

To remove the app, you can use the AcroCleaner.

If the above tips do not help you fix this problem, you can completely remove the app from your Mac and then reinstall it.

If this does not fix your problem, you can put the preference files back.Delete this file (you can move it to your desktop).Open the Library folder (Go to the Finder, press and hold the Option key and click Go > Library).Delete your preference files and try again.Restart your Mac in Safe Mode and try to open a PDF in Adobe and then exit Safe Mode and test again.

Make sure that you are using the latest version of Adobe Acrobat.Go to System Preferences > Software Update to check, and if there is an update available, update your device. Make sure that your Mac is running the latest version of macOS.Make sure that your Mac is connected to the Internet.If Adobe Acrobat Reader is unresponsive, force-quit it and then try.After trying each step, open Adobe to see if you can view your PDF. In this article, I explain what you can do to fix your Adobe Acrobat problem on your Mac. Adobe offers two versions: Adobe Acrobat Reader, this is the free edition, and Adobe Acrobat Pro. However, some users may prefer to use Adobe Acrobat Reader as it may offer more functionalities. On your Mac, you can use Preview to view and annotate PDF documents.

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