Please follow the below listed instructions until this issue is resolved:

Method 1:
  1. Log into your Blackbaud Hosting Services web portal.
  2. Click Settings (in the green bar to the left of Log Off).
  3. In the User Experience field, select No Preference in the drop-down.
  4. Click Save.
Note: Once this change has been made, your hosted application will now display in a Microsoft Window which will display itself within an encompassing MAC finder window. When minimizing the application, click the MAC finder minimize button and not the Microsoft minimize button that is immediately appended to your hosted application to minimize the entire application.

Method 2:
  1. Access your hosted application via the Citrix Virtual Desktop.
  2. Once logged in, to minimize your application, go to the MAC Dock menu and right-click (or ctrl click) the Citrix Viewer icon.
  3. Select Hide and the application minimizes.
  4. To restore/maximize the application, right-click (or ctrl click) and select Show.