please replace Username with your own Windows username.
you can also open that file with Notepad to view the. (although I don't recommend changing anything in that file as it can corrupt the syntax).
about your shortcuts, I suggest creating them again. you can also press Edge's (...) button => More Tools => Launch taskbar Wizard to pin them to Taskbar, or install sites as an app which provide shortcut for Start menu, Taskbar and Desktop.