Hi Christopher
My name is Andre Da Costa; an Independent Consultant, Windows Insider MVP and Windows & Devices for IT MVP. I'm here to help you with your problem.
If you are attempting delete folders that are in the root of the drive, these are trusted folders and sometimes requires full Administrator privilege.
The default Administrator account is normally a 'Standard' Administrator account.
Open Start, type: CMD
Right click CMD
Click Run as administrator
Try executing the command again.
If that does not work...
Open Start
Type: cmd
Right click CMD
Click Run as administrator
At the command prompt, type:
net user administrator /active:yes
Hit Enter
Close command prompt, restart, then try signing into the Administrator account.
Try running the command again.