Sketchup Pro - Offline

Sketchup keeps saying I’m offline even though I’m online. Looks like a common SU problem but I cant find a solution for the Mac (running Big Sur). V2018 pro. I’ve tried uninstalling and reinstalling but I keep getting the same offline notification issue.

Here’s what comes up when I try to add my serial number to the newly installed 2018 pro.

" You must be online to add or remove SketchUp licenses. Please try again next time you are online.

Please see my post here:

Worked like a charm!! Thanks