1. Adobe Reader

If you're running Mac OS X 10.9 or later, install the latest version of Reader. For step-by-step instructions, see Install Adobe Acrobat Reader DC on Mac OS. Select your operating system, a language, and the version of Reader that you want to install. About: Adobe Acrobat Reader DC software is the free global standard for reliably viewing, printing, and commenting on PDF documents. And now, it's connected to the Adobe Document Cloud − making it easier than ever to work across computers and mobile devices.

This message is displayed when Reader (or Acrobat) encounters a PDF file that is corrupt. There are many reasons why it could have gotten corrupted (processed with software that claims that it can handle PDF files, but corrupts them, filesystem problems, transfer corruption via non-8bit-clean channels.), without seeing the file, it is impossible to say what happened to it. I suspect it has nothing to do with your recent upgrade, and it is just a coincidence that shows up now. Best mac compatible external hard drive. Without seeing the files, it's also impossible to say if there is any way you can fix these files. Karl Heinz Kremer PDF Acrobatics Without a Net PDF Software Development, Training and More.

This message is displayed when Reader (or Acrobat) encounters a PDF file that is corrupt. There are many reasons why it could have gotten corrupted (processed with software that claims that it can handle PDF files, but corrupts them, filesystem problems, transfer corruption via non-8bit-clean channels.), without seeing the file, it is impossible to say what happened to it.

Adobe Reader

I suspect it has nothing to do with your recent upgrade, and it is just a coincidence that shows up now. Without seeing the files, it's also impossible to say if there is any way you can fix these files. Tatsu declined to authorize this image on this device for this user mac. Karl Heinz Kremer PDF Acrobatics Without a Net PDF Software Development, Training and More.