Please follow the below suggested steps until this issue is resolved:

  1. Configure your web browser for Blackbaud Hosting Services
  2. Close and reopen browser
  3. Click the files button again 
If this issue persists after following the above listed instructions, please document and be prepared to share the below listed information and Click Chat with Support and reference this article. 
  • The exact steps to duplicate the issue (step by step).
  • Browser version