Hi, so, I got a new Mac (with Sierra, obviously) and just wanted to reinstall all my software. Just, I can't. I own the Adobe Creative Suite 5.5 and just downloaded the dmg from their website. However, when I run the dmg and then want to run the installer, I encounter the following error: "“Install” can’t be opened. You should eject the disk image." And when I click on the little question mark get the following information: "The app’s authorization has been revoked There may be a problem with this app. Although the app was signed by an identified developer, the certificate for the app has been revoked, and it cannot be opened. Check with the Mac App Store or the software developer to see whether there is an updated version of this app." So, the open to open/install "any" software has been removed from the security settings. You can get them back, with a terminal command, but it didn't help. I'm still getting the same error. So, you're telling me I can't install (older) software anymore just because Apple decides so? Seriously?!??! Is there any way? I've already tried what I found googling and worked for others (like the mentioned terminal command), but nothing helped, so far. I really need that software... (and no, I'm not going to buy the Creative Cloud stuff, I legally OWN the CS 5.5 and it's working perfectly on my other Mac which came with El Capitan and which I upgraded to sierra a few weeks back) Any help VERY much appreciated.