Well, I don't know about "nothing" but I try to open a libreoffice calc document and it won't open all the way. Theprogress bar goes almost all the way.... but not quite. So I try to open another but the same thing happens. And another.... and another. Then I try to update the computer but it won't. Then I try  to update with apt but it freezes on apt-get update... this is the last line: