I just updated Acrobat DC (Continuous) from version 20.013.2007 to 2021.001.20142. I am stuck in Certified Mode. I've tried running repair Acrobat installation and that didn't work. I've checked and unchecked the option in Preferences > General. Restarted Acrobat. Restarted Computer. Nothing is working to get me out of certified mode. I am trying to test a third party plug-in and unable with certified mode set.