Ahhh, thanks!! That did the trick!
One more question if you don't mind. Before the 1st window opened in a tab so I could double-click next to it to open a new tab instead of using <command-t>. Is there any other way of duplicating that?
Safari has been crashing on load. I uninstalled it using AppZapper, downloaded and reinstalled. No Luck.
I looked in the Internet-Plugins folder and it is empty.
I finally disabled *everything* else running in the background, and it runs, but on coming up it gives a Twicetabs message and if...