Cant log-in to correct account

[madmanmoose]

Plan

Premium

Country

UK

Operating System

Windows 10,

My Question or Issue

i just recently upgraded my pc to windows 10 and before (old windows 7) i use to log in with facebook so now when i try to log in with facebook it comes up with error 3 saying user / pass is incorect so i logged out of facebook on the browser and tried again, the log in came up with user / pass and when i put in my facebook details spotify looged me into this weird account called "sddsdsa"  im still logged into spotify on my phone and it shows my facebook profile pic

[madmanmoose]

weird