Open Keychain Access and choose “Change Password for Keychain ‘login.'' This means you will be asked for a keychain password each time an app wants authentication. If you change your account password, you may sometimes find the default keychain password has not changed. You will be asked to login with your Mac account passwordĮnter a new Keychain password and restart your Mac. In the General tab, click ‘Reset My Default Keychain’. Launch the app and choose Preferences from the Keychain Access menu.