Just a heads up, the issue is Pandora's somewhat new third-party bot detection. When it erroneously flags you as a bot it blocks your login for a set amount of time. In fact, sometimes on the initial log in attempt the bot detection never actually runs, so their server never gets the green light "not a bot" message. That means for some of you experiencing this issue, a potential fix is after the first login attempt, where you enter the correct info and it says no, instead of trying to login again, change the url back to www.pandora.com and it will load through as if you were already logged in.
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