 
 
network can now connect, but the pop-up box cannot be closed, and clicking cancel or performing diagnostics has no effect. How can I force these pop-up windows to be closed?
  
 
network can now connect, but the pop-up box cannot be closed, and clicking cancel or performing diagnostics has no effect. How can I force these pop-up windows to be closed?
  Command + Option+Shift + Ecs