Microsoft store keeps signing in wrong xbox account

Got a new pc and put in a my email for Microsoft store went to the Xbox app and realized I used the wrong email so it signed In an old xbox account on the xbox app...I went into the setting and changed my Microsoft store account to the one linked to my main xbox account...but everytime I sign out of the app and try to sign in. It auto signs in my old account still..how do I fix this

:)