Hi tweaker,
Screenshot #1Except for the appData and the hedev (unless that is an account you created) this looks normal.
Screenshot #2Except for the name AppData, looks more or less a valid account. It shouldn't be there though.
Screenshot #3Access denied is normal for Application Data no matter where it's located. It's a junction.
Screenshot #4Other than it being in the strange appData account hat is a valid path to a program in the Start Menu.
Let's see if it shows up as an account.
Click
Start >
Control Panel- Under User Accounts and Family safety click Add or remove user accounts
What is listed for accounts?