Please follow the below listed steps 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 in implementing the solution on these websites.

 
  1. When clicking your application icon, you may receive a security notice that may automatically minimize itself to your taskbar 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. 
     
  2. Add your Blackbaud Hosting Services Datacenter URL to your trusted sites in your Internet browser. 
  3. Clear your Internet browser's temporary Internet files.
  4. Uninstall the current Citrix Metaframe client
  5. Install the current version of Citrix and attempt to launch the application again.
     
If, the issue persists after following the above steps please, Click Chat with Support and reference this article.