With the update to Mac OS X Yosemite, my Citrix Receiver–which I need for accessing customer systems–suddenly stopped working. I do not know if or why the problem is caused by the update, but it stopped working on both–my iMac and my Macbook Air–at the same point of, meaning with the Mac OSX update. For those Mac and Citrix users having the same problem, I want to provide a quick solution.
To install Receiver for Mac 1. Download the.dmg file for the version of Receiver you want to install from the Citrix Web site and open it. On the Introduction page, click Continue. Compared to: Citrix Receiver for Mac 12.2 Citrix Receiver for Mac 12.3 contains all fixes that were included in Versions 12, 12.1, 12.1.100, and 12.2, plus the following, new fix: If Citrix Receiver for Mac is configured to use a proxy server, Secure Socket Layer (SSL) connections can fail. #640652 Fixed issues in Citrix Receiver for Mac 12.2.
The reason for Citrix Receiver not working properly are invalid file permissions in the app specific folder in $HOME/Library. This can easily be fixed, changing the permissions with this simple Terminal command (quick and dirty setting the specific directory to writeable for everyone):