Howto fix SSL Error 61 You have not chosen to trust the issuer of the server’s security certificate on Mac OSX Lion
So this one took me some unnecessary time cause of all the posts online with wrong or dated information. If you google you will read a lot about creating appstore\cacert folders via Terminal etc. etc etc. This might work for the older ICA Clients, however for Citrix Receiver it will not.
In the end all is simple. You just need to add the correct certificates in your Keychain. First take a Windows PC and browse to your Secure Gateway/Access Gateway/NetScaler WebInterface. Click on the SSL icon and click on show certificate (or however it’s translated 🙂
Now tick the 3rd tab and save the RootCA and SubordinateCA to a DER Encoded Binary X 509 (.CER) file.
Copy the certs to your MAC. Over there just double-click the file.
You will get a warning. Just accept it by clicking open.
Then select to import the certificates in your login keychain
Next open your keychain and verify the cert is imported
Thats all there is to it. You can now successfully launch your apps again.