1, first check your username and password when you enter the error, or have an underscore symbol, such as input error, if not the account password problem, your mailbox is not a long time did not log in, resulting in the cancellation of the situation, if the above may not be, Try to enter the mailbox ID and password directly in the Hotmail home page mailbox. The URL is http://mobile.msn.com/hm/folder.aspx.
2, may also be the gov in order to filter sensitive information, the Microsoft's some servers added to the celestial firewall inside. In this case, try to install the mail client, such as Foxmail, Outlook to start the MSN Mailbox Mail.
3, First download Java, and then open the IE browser tool-internet option-in (Security, privacy, advanced) of these three tabs, click Set to the default settings, and then close the browser. Restart the computer in an attempt to login to the MSN mailbox.
Small series here to remind users, if often hit MSN mailbox open, preferably after the problem, if there is an important customer, it is best to extract the content of the message, can be backed up to the user side to the local.