Эх мальчики-мальчики, списалась со службой поддержки в дискорде и вот решение, пользуйтесь:
To fix your login issue you will have to remove the redirects in your hosts file. Firstly, delete the alt account tool(s) that you've used. Once that is done, please follow the instructions below: 1) Press the Windows key + R key at the same time. This should open the Run box 2) Type into the Run box the entire contents of the following black box: powershell -command "Start-Process notepad "$env:windir\system32\drivers\etc\hosts" -Verb runas 3) Press OK. Answer Yes/OK when a UAC (User Account Controls) window pops up 4) Find all lines containing "mojang", and delete the entire lines ( https://imgur.com/a/E8qLgqs ) 5) Save the file, and try logging in. If this works, change your password, and please don't use such programs again.
Мне помогло.