Website Crash

Very annoying!!! I went to update some stuff on the website this morning, and Wordpress (which I use as a CMS) decided that it needed to update; so I chose to update automatically - what a DUMMY! Once the process had finished the updated Wordpress unilaterally decided to deny me access, as can be seen in the inset. So I have had to go through the whole process of deleting everything, then uploading it and reinstalling it from scratch - I know that it does not take long, but it is putting back all of the content that will be most time consuming, and is something I really did not want today, GRRRRRRRR!