As suggested, trying incognito mode, clearing browser cache and using a different browser are ways around the account activation issues. Failing this, you can seek help from a moderator. The moderator team can be reached via private message using this link. Refer to the following link for information on contacting the moderator team.
@50feuilles, First thing to try is to clear your browser's cache & run the browser in incognito/private mode. You should also try another browser (if you can), also in incognito/privacy mode.
