I think you should rather move your topic to
Bitcoin Technical Support. It belongs there if you have some technical issues with a node than in this section where the technical discussion is more in general about the Bitcoin network, its clients, ...
I don't think your issues fits this board's description:
Technical discussion about Satoshi's Bitcoin client and the Bitcoin network in general. No third-party sites/clients, bug reports that do not require much discussion (use github), or support requests.
Also, please provide more details. What did you install specifically, did you follow an installation recipe, if yes, which one? Imagine someone who wants to help you and ask yourself if you provided them enough details to grasp and understand your setup.
How is your (old) Mac connected to the internet? Is this connection stable? Does your network have any firewall or other stuff that could block things.
Your screenshot is basically unreadable small. You could post a thumbnail that links to a larger screenshot which doesn't require eagle's eyes. talkimg.com as forum's prefered image hoster gives you all such options easily.