Logging in to adobe

I complete unplugged everything to my computer to clean it out with compressed air. After hooking everything back up when I open lightroom it asked to log in. I logged in using the wrong email address. Now eveytime i open lightroom it askes me if I want to start my free tried with the wrong email address How can I get this to give the login window so I can use the correct email?

Thanks in advance@

C. Harris