Thank you for your post and welcome to PayPal Community Forum. I am sorry to hear that you are unable to login to your PayPal account. Generally this error occurs when our internal security system fails to authenticate. I recommend you please try after 48-72 hours and do not make any attempt within this time frame. If you still encounter with the same error, please contact our support. You will find our contact details by clicking Help & Contact at the bottom of any PayPal page. You can also reach us on Facebook www.Facebook.com/PayPal or on Twitter @AskPayPal.
