Hello!

2 days ago I moved my website from one hosting to other.
I did full backup of DataBase, made it full backup of website files and move it to new host.
Everything work fine,.. the problem is when I go to my Admin Login.
When I fill my username and password, received: Wrong Password or Username.
I am 100% sure the password and username is correct.

Any ideas what I have to do, to resolve this problem?
Thank you in advance