I posted a question that needs an image. I figured out by elimination that one may not post an image, but one can apparently post a link. So I uploaded the image to dropbox. I tried to figure out how to post a link here using the link "insert link" symbols, but I was not successful. Here's the link
https://www.dropbox.com/scl/fi/a355d6f09ds9xhyw4mrv8/unable-to-pin-shortcut-to-taskbar-cropped-and-annotated.jpg?rlkey=in4pv0zm9yeun9oe4ywif5fxd&st=53mzq66a&dl=0