The ‘Port checker’ appears when opening the application on my Mac computer
The port checker appears when the client application is unable to start. This can have several causes. Follow the steps below in order to solve this problem.
Test the version of Java you have to make sure it is the latest.
Make sure there are no firewalls disabling the application to work. Click on the Apple menu from your toolbar. SelectSystem Preferences. ChooseView, then selectSecuritywhen theSystem Preferenceswindow appears on your screen. Click on theFirewall tab.Select theStopbutton to disable your firewall. "Firewall Off" will now be displayed above the button.
Call your network engineer to unblock the connection between the platform and the client application.
Make sure there is no proxy used by the PC that does not allow the traffic between the computer and the client application. Click the Apple logo. Select theNetworktab and clickAdvanced. Open theProxiestab. Uncheck all the boxes and clickOK.