The “invalid account” / “authorization failed” / “unauthorized” error messages are encountered when you enter your password incorrectly or when you select the wrong server.
Please make sure you select mt4.ospreyfx.com:443 (OspreyFX-Live) as the server when logging in to a Live Account. For your Demo Account, the selection should be demo.ospreyfx.com (OspreyFX-Demo).
If the server selection is not the issue, please try resetting your MetaTrader password. This can be done from the “My Accounts” section.
Step by Step Guide:
Click on "Accounts" and select "View" on the Account which you wish to have the password reset.
Click on the three dots next to your account ID and select "Change Password".
Click on "Change Password" and you will receive your new password via Email.