Can anybody please help me with Windows Live Mail? I have been using this mail account for a number of years without any problems, however now that I am in the middle of an important project and need my e-mail to work it has suddenly stopped working??? I get the following error message:

Unable to send or receive messages for the Hotmail (             ) (1) account. To send and receive messages in your Hotmail account, go to http://hotmail.live.com on the Web, or try again later. To get help from Windows Live Customer Support, go to http://support.live.com and click Windows Live Mail in the list of services.

Subject 'Your Photos'
Windows Live Mail Error ID: 0x80070057

I have tried everything that I can think of without any luck. so if somebody has a solution, I would be very grateful I have now been in this situation for approx two - three weeks