manage accounts

Windows mail does not work. I cannot Manage Accounts. When I open the Manage window and click on any account, nothing happens. I cannot add or delete accounts. Mail does not come in on the accounts I have previously set. One of my accounts can send messages but it does not receive them; the...

Hi After disabling user/s ,the username is not displayed in the "manage account" What should i to make it available in "Manage Account"