I am an absolute beginner to Command Line Interface and noticed this when trying to update the help (I'm following Learn Enough Command Line to Be Dangerous, which I suppose is for Linux and I am using Windows).This is how my PowerShell looks
I was expecting it would update the help manual(ig that is what it is called).
You have to start PowerShell as an Administrator.
If you have a look at the error-messages it at lines 10/11. You are getting an "Access is denied" message there which also tells you how to fix it.
I understand you are getting overwhelmed by such a long error message when you just start your PowerShell journey. My advice would be to do read them anyway since they often will give you a lot of insight.