MacOS Sierra, app is running but has no window I had an app called "Gitbox" on my Mac for 4 years with no problems. App suddenly does not display it's main window when running. The little dot is under the app in dock. I cannot delete the app when the dot is there, cause OS says it's running.  I can verify the app is running, because the "Activity" window shows that it's fetching something.

I tried reinstalling, and looking at other "Windows" or desktops, but nothing. Did I use some launch option or hotkey to launch the app in a wrong mode?

Tried:


Rebooting Mac 
Reinstalling App from the app store
Dragging and
restoring to Trash
Deleting the preferences here has resolved the problem. Not sure why they did not show up in finder, I think it shows hidden files for me. So I had to use an external tool which actually found hte preference file: