Can’t you load the Hotmail.com into your computer via internet explorer or any browser ? Are you not able to sign in to the browser? It might possible the Hotmail is down in your local area.But if you can sign in to the hotmail via android phone or tablet. But you are having trouble with specific computer in the network Then this might be problem with your computer or network so have to optimize your computer and network both things.Microsoft hotmail is free email service, and they are the best email service provider. if there is any need to update the server. They will do it update instantly. They might down their server for a minute only. Not for an hour or days.