
I've logged in no problems. It's nothing to do with limit, this is what it said:-
Dear paypal user, We would like to inform you that we are upgrading our server to install a better protection software. So please click here and fill in the registration form again to renew your account.
Paypal Administration
I've had this account for a couple of years now, I don't use it that often, I did try clicking on the link but it came up page not available, so hopefully if it was a scam they have been found out!