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I uninstalled-reinstalled again, BUT didn't change that folder. It now works perfect. And it doesn't need to be hacked to work!"
I did the same thing and it worked with no signs of a trial copy, BUT.... 12ish days later I got a "You've got 2 days left on your trial copy" message. At that point, I swapped out the amtlib.framework folder again(after it had been working) now it works fine.
Same issue here too. Pdf documents will not open automatically when they are created from Indesign etc. and they will not close, they only will by terminating Acrobat. Im on Yosemite using Acrobat X 10.1.16. has anyone managed to solve this issue?
I have had the same issue with Photoshop. When I double click a Photoshop file, it launches Photoshop (the application) but Photoshop won't open the file unless I go to File>Open. Funny thing is, Illustrator works just fine. In fact all of the other CS applications work just fine for me, except Photoshop. I just thought it was a bug but if someone knows the answer to definitive's question, I too would also like to know.
Have you made sure that "View PDF after Exporting" is checked on export? (for auto-open)
I have seen this lock-up/crash scenario on my system at home in El Cap as well. I think Acrobat 11 works, but 10 was not designed for use with Yosemite and El Cap. I ended up uninstalling Acrobat completely and have been using Preview. I have access to Acrobat at work for the rare instance I might need the real thing. I pretty much only use these applications to view PDFs and occasionally mark up a credit card statement, so Preview works fine for my uses. Sadly, I don't think Adobe has released a fix for acrobat 10.