I keep getting told that my account doesn't exist when logging in despite having used it a couple of days prior. I hadn't changed anything besides my router recently and cannot find anyway to see if my original account can be accessed.
I would try this here
您尚未登入。 登入 去張貼答案。
一個好的回答可以清楚地回答問題並提供建設性的意見回饋,同時有助於提問者的專業成長。