Are you unable to use your Roadrunner email account because RR email account is stopped without any notices? Not a big deal there can be some reason. Let’s points out these reasons:
Getting locked out of your account
Not Opening On Google Chrome
Not Responding or Crashing
Receiving Many Spam Emails
Not Opening On Mac
Sometimes these issues can be from your end and sometimes from the server. You need to use your account more securely because many times we see email hacks or other issues. Let's get back on our point, if your Roadrunner email account is not working then you may discuss your Email issues with experts.