There are many users who are suddenly facing error 0x800488EB when trying to synchronize an HTTP account (i.e. one with an inbox athttp://mail.live.com). It might be helpful for those trying to find out what's wrong to have some information about the accounts that are failing to synchronize. If you are experiencing this problem, please click Reply with quote under the post below this one and fill in the blanks in the Your data column. If you have more than one failing account, please fill in a separate form for each one.
Here are some tips for finding the data to enter:
1. How to find out the version of Windows that you are using
2. & 3. Which version?
5. Visit http://mail.live.com and sign in with the failing account. The server cluster is given as the first part of the URL in the browser address bar: http://dub129.mail.live.com/Default.aspx
Type any additional comments in the white field below the blue box, then clickSubmit.