Everything goes fine until this morning.
This morning, when I boot my computer, nothing happen but until reach the "Welcome" screen, a user account name "pywl$" ask me for password? I was totally surprise because nobody use my computer except myself and I never set a new user account and password.
I was unable to load into my desktop without the password! But with my computer knowledge, I boot my windows in Safe Mode and remove the password. Now I can safety load into my Desktop without any problem BUT... It no longer able to load into my original user account(Administrator) but instead of load into my new user account(pywl$).
I only able to select my "Administrator" account in safe mode but in normal mode I cant select but giving me another account(pywl$). So I change my logon and logoff options into Classic Logon Prompt. So I can key in my Username: Administrator and Password: <no password> without any problem.
This is my original Computer Administrator user account.
And this my duplicated Computer Administrator user account by virus/malware. (The original name is "pywl$" but I renamed it to "Test")
But the problem is I can't remove the privilege or delete the "Test" account! Now I was logon with my "Administrator" account.
And the delete button seems to be not at there!
Any idea of this? I never have this kind of problem before so please teach me what to do. Thank you!