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Adobe CS5.5 Web Premium won't install on MacOS Sierra

Community Beginner ,
Aug 21, 2016

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So I recently bought a new MacBook Pro. On my old Mac I purchased Adobe CS5.5 Web Premium. I would like that suite on my new Mac however it does not have an optical drive so I figured I would download it from here https://helpx.adobe.com/creative-suite/kb/cs5-5-product-downloads.html. After downloading the file I clicked on install.app and the following happens:

Screen Shot 2016-08-21 at 3.48.10 PM.png

What am I doing wrong? Is there a different place I can go to download the dmg?

Thanks

I figured it out, here is the solution:

Right click on the app and go to 'Show Package Contents'

Navigate to 'Contents/MacOS' and open that folder in Terminal

In terminal run: sudo ./Install

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Adobe CS5.5 Web Premium won't install on MacOS Sierra

Community Beginner ,
Aug 21, 2016

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So I recently bought a new MacBook Pro. On my old Mac I purchased Adobe CS5.5 Web Premium. I would like that suite on my new Mac however it does not have an optical drive so I figured I would download it from here https://helpx.adobe.com/creative-suite/kb/cs5-5-product-downloads.html. After downloading the file I clicked on install.app and the following happens:

Screen Shot 2016-08-21 at 3.48.10 PM.png

What am I doing wrong? Is there a different place I can go to download the dmg?

Thanks

I figured it out, here is the solution:

Right click on the app and go to 'Show Package Contents'

Navigate to 'Contents/MacOS' and open that folder in Terminal

In terminal run: sudo ./Install

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Most Valuable Participant ,
Aug 21, 2016

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IF Mac El Capitan read below

CS6 and earlier programs have not been tested and will not be updated to run on Mac El Capitan

-which means that you try to use CS6 and earlier at YOUR risk of having problems

-you may get CS6 and earlier programs to install and run, or you may not (some do, some don't)

-Java https://helpx.adobe.com/dreamweaver/kb/dreamweaver-java-se-6-runtime.html may help

Install CS5 on Mac 10.11 https://forums.adobe.com/thread/2003455 may help (also for other than CS5)

-also a TEMPORARY security change https://forums.adobe.com/thread/2039319

-http://mac-how-to.wonderhowto.com/how-to/open-third-party-apps-from-unidentified-developers-mac-os-x...

-and more on gatekeeper https://support.apple.com/en-au/HT202491

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Community Beginner ,
Aug 21, 2016

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I tried all of the above but it still doesn't work. Clicking the question mark on the pop up gives the following:

Screen Shot 2016-08-21 at 4.52.30 PM.png

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Adobe Community Professional ,
Aug 21, 2016

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MacOS Sierra has not yet been released in its final version.

I presume you mean your new MacBook Pro is running OS X 10.11 El Capitan?

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Community Beginner ,
Aug 21, 2016

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I am running MacOS Sierra Beta

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Adobe Community Professional ,
Aug 21, 2016

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OK, so you're on an unsupported, yet-to-be-released OS.

Try changing your security settings:

- Click on the Apple icon in the top left corner of your screen and choose System Preferences.

- Next, click on Security & Privacy icon.

- To edit the security settings, click the padlock icon in the bottom left of the window.

- You will be asked to confirm your Mac credentials, enter them and hit Unlock.

- On the following screen, you'll see the options for "Allow applications downloaded from", you need to click on the "Anywhere" radio button, once you click that you will see a confirmation window, click on "Allow From Anywhere".

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Community Beginner ,
Aug 21, 2016

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I did this already and even disabled gatekeeper from the command line

sudo spctl --master-disable

No luck.

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Community Beginner ,
Aug 21, 2016

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I figured it out, here is the solution:

Right click on the app and go to 'Show Package Contents'

Navigate to 'Contents/MacOS' and open that folder in Terminal

In terminal run: sudo ./Install

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New Here ,
Nov 14, 2016

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When I try to do this it says "Install" can't be opened, You should move it to the Trash.

Any ideas?

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New Here ,
Dec 27, 2016

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I got the same.  Help???

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New Here ,
Dec 30, 2016

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Same problem here, I've downloaded 4 times ands can't install, going crazy!

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New Here ,
Jan 22, 2017

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I right clicked and opened the Install exec file but I still got the same error message.

Also with the new MacBook Pro OS Sierra there is no option to download applications from developers that apple doesn't like...

Screen Shot 2017-01-22 at 11.41.18 PM.png

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New Here ,
Jan 08, 2017

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See this for MacOS Sierra. Worked for me for CS5.5.

Installing Creative Suite on macOS 10.12 (Sierra)

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New Here ,
Jan 09, 2017

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This worked!  Thank you!

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New Here ,
May 04, 2017

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Thanks so much, Vol4life!

I've been messing with this for days, trying to reload CS5.5 onto my "vintage" MacBook Pro after restoring it. The instructions on the page you linked (including the tip on how to open the terminal) worked like a charm!

Peace!

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New Here ,
Apr 17, 2018

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Works for me!

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Community Beginner ,
Jan 29, 2017

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OMG, thank you so much for finding this answer utilizing Terminal!  I've been having problems with my programs for WEEKS! Something went wrong and none of them would open. I followed a million different answers without being able to fix the problem, including trying to uninstall and reinstall, which kept bringing me to this same error message. I finally came across this answer and it WORKED!  THANK YOU!

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