Please follow the steps below until the issue is resolved:

Note: We provide links to third-party websites in an effort to help you resolve your issue. We are not responsible for the information on third-party websites, and we cannot assist with implementing resolutions from these websites.
  1. Ensure your browser is configured for Blackbaud Hosting Services.
  2. When clicking your application icon, you may receive a security notice that may automatically minimize itself to your task bar or may land behind the browser window. The application will not complete its launching until this item has been affirmed. Please click OK to this prompt to resume the launching process. 
  3. Disconnect from any current open sessions in the Citrix Connection Center. with the task manager.
  4. Clear your Internet browser's temporary Internet files:
  5. Turn off proxy server settings in the browser:
  6. Disable the Pop-Up Blocker in your Internet browser settings.
  7. If you are not using Internet Explorer, attempt to open the application using Internet Explorer.
  8. If you are using Internet Explorer, go to Tools>Internet Options>Advanced and click the Reset button to restore all settings back to default.
  9. Check Control Panel>Programs and Features to see if "Browser Safeguard" is installed.  If so, remove it.  This software program gets bundled in with many types of installations from the Internet and it blocks the Citrix connection from going through.
  10. Reboot the workstation and attempt to log in again.
  11. Uninstall and reinstall the latest version of the Citrix client.