Hi Julie, Since the steps in the above link didn't help, please follow the below steps and check: Please check if you have any browser security extensions installed, please disable them. ( Eg: AD BLOCK, Mcafee site/web adviser, internet security toolbar etc ) Also disable the Firewall of your machine see, Turn Windows Firewall on or off - Windows Help , OS X: About the application firewall - Apple Support Disable Firewall of the Internet security program installed on computer. After this Sign out of Creative Cloud app Sign in and sign out to activate Creative Cloud apps Force Quit all Adobe related processes from Activity Monitor / End Task from Task Manager in case of windows (eg- Creative Cloud, Core sync, CC library, Adobe Desktop Services, Adobe IPC broker, Adobe Crash daemon etc.) MAC : 1- Force Quit all Adobe related processes from Activity Monitor (eg- Creative Cloud, Core sync, CC library, Adobe Desktop Services, Adobe IPC broker, Adobe Crash daemon etc.) 2- Go To: Finder > Applications > Utilities > Adobe Installer > Uninstall Adobe Creative cloud ( if having trouble uninstalling it Trash it ) 3- Go To: Finder > Applications > Utilities > ( Delete these two folders - Adobe creative cloud and Adobe Application Manager ) 4- Then run the cleaner tool to remove creative cloud and Adobe Application Manager ( if still left in machine ) 5- Right click on Finder icon and select "Go-To" Folder option. 6- You will get a text box, type-in below command and then hit 'Return' key.( " Do not miss ~ symbol " ) ~/library ( It will open User Library folder. ) 7- Then navigate to Application Support>Adobe> trash OOBE folder and AAM Updater folder as well 8- Again > Right click on Finder icon and select "Go-To" Folder option.> You will get a text box, type-in below command and then hit 'Return' key./library ( It will open System Library folder.) 9- Then navigate to Application Support>Adobe> trash OOBE folder and Adobe Application Manager / after this rename the file SL-STORE as SL-STORE_OLD 10- Run Adobe Cleaner tool. > If present, Select the option "Adobe Application Manager for Mac OS X 10.6" and then click on "Clean up Selected" . http://download.macromedia.com/SupportTools/Cleaner/mac/AdobeCreativeCloudCleanerTool.dmg 11- Click on the below link and download Creative Cloud Installer file and use the same to install the Creative Cloud Desktop application. https://ccmdls.adobe.com/AdobeProducts/KCCC/1/osx10/CreativeCloudInstaller.dmg Let us know if this helps. Regards, Bani
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