I'm sorry to hear that. Can you share more information on what's happening? Do you see any errors or messages? Also, let us know your OS and the browser.
In addition to what @Kartika Rawat asked, can yuou also please provide: • A screen shot of the whole browser window (including your avatar in the upper right corner) with the error or problem showing. • Then, please click on your avatar and take a screen shot of the box that pops up, but please black out your name and email address.