Thanks for the tip but it didn't work for me. Very strange. I cleared all my cookies and history, turned off authentication, removed paypal from the authenticator app and then added everything back but still the same problem. I even tried another browser, etc - no joy. In the meantime I'm using sms authentication and that works fine but I don't know why I can't enter more than one character if I want to use an authentication app. I'm glad you found a work-around that worked for you.
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