Hi Davide,   I was also on OSX 10.9 and EM 7.2.1.6 when tested your extension, and there was no installation issue. Could you try to install the same extension on another machine?   If it is not…

You can find all add-ons you have acquired at https://creative.adobe.com/addons/my_addons. You can remove the add-ons you doesn't need at there.

You can see all the Add-ons acquired at https://creative.adobe.com/addons/my_addons , and Add-on with "Remove" button means that it should have been installed. Can you check the file content with…

You can click the notification "Admin right to install or remove add-ons", then "User Account Control" dialog will pop-up. Click "yes" to allow Adobe Creative Cloud application to install the…

I can install it by following How to install the plugins in Photoshop CC 2014 - Powered by Kayako eSupport Help Desk Software, and make sure choose the Plug-ins folder by double clicking it on the…

While you pressing 'remove' on https://creative.adobe.com/addons/my_addons,  the sync of Adobe Creative Cloud application should  be turned on. By this way, you removal on web will sync to you…

Which extension you are trying to install? Could you provide a link?

Hi Franck Payen,   Could you provide the following logs, so that we can debug this issue?   CoreSync log: /Users/***/Library/Application Support/Adobe/CoreSync/CoreSync-*.log   ExchangePlugin…