Windows 10: Windows 10 Account not working after Check Disk

So I have a Dell Inspiron N5110 that I've upgraded to run Windows 10 without many hiccups. However, when I booted up Windows today it took about 3x longer than usual and everything was slow. I typed in my user account login PIN and it said "Preparing Windows", and deleted all my files, settings, even my profile picture. A notification said "Restart to repair drive errors", so I did and that made it worse. My PC grabbed my wallpaper and lock screen again but now when I log in, the desktop doesn't show any icons and explorer.exe keeps restarting. What do I have to do to fix this?

:)

 

Checking Disk Consistency

Ok i did as viper suggested, but it stops checking at stage 3. It is still saying the drive is dirty, and still needs to be checked. I did a defrag and a disk cleanup, and suggestions?

 

Windows 10 Tweaks

As you may already know, Windows 10 (as well as Windows 8) allow you to log in with a valid Microsoft account, instead of creating a local account that only works on your machine. However, you may prefer to keep a local account for privacy reasons. If you do, though, some Windows 10 features—like Cortana—may not work. Despite the default behavior, the Windows 10 Store is not one of them. You can still log in to your Microsoft account for just the Store without switching to a full Microsoft account. The process, however, is not terribly obvious. To do so, follow these steps:

• Launch the Store from your Start menu.
• Click the user icon next to the search box.
• Click “Sign-in” from the menu that appears.
• Choose “Microsoft account” and log in like normal.
• When the “Make it yours” box appears do not enter your password. Instead, click “Sign in to just this app instead.”

from Lifehacker

 

Strange Windows 10 User Account issue.

Unfortunately I had done those steps numerous reboots, it just, reappears for no good reason. The base account isn't even a Microsoft account, it's a local account.

I haven't quite tried the built in administrator account on W10, but so far in my experience on my own computer, the built in account seemed to have absolutely no more control than I did on my own.

It's just strange, I go in, it warns me twice about deleting the account, then it's gone. Reboot, and it's back?

EDIT: Just to specify, both command line and Netplwiz both say only HIS account exists on the computer, it doesn't list this rogue account. This is what I meant in my first post about the fact that even Windows doesn't seem to believe it exists, HALF the time. *Frown