Suddenly I am getting this message every time I try to use Paypal to pay for an online purchase. "This transaction has been declined to comply with international regulations."  They are shops I have shopped at before.  I can use my credit card no problems which is the same credit card which is linked to my Paypal account.  I have not received any emails from Paypal to explain.  I am completely mystified!  Anyone know why this is happening?