Was just working with Paypal and this came up.
We were working on having a paypal page redirect to ecart's checkout.php page.
I have Internet Explorer and the Paypal page now redirects correctly to that page (instead of to a paypal page).
However, Paypal was using "chrome" as their internet browser, and when they typed in:
they were directed to:
Oviously, I don't want different browsers to behave differently and I can't recreate this as I only have IE.