system preferences in apple menu is not opening
system preferences in apple menu is not opening
system preferences in apple menu is not opening
If you are referring to the Dock then remove it by clicking on it and dragging it to the Desktop. Then navigate to the Applications folder and double click on System Preferences to see the Preferences open. If they do then drag it from the Applications folder back to the Dock and re-test.
system preferences in apple menu is not opening