If you are using UK Website Payments Pro and getting 10764 errors when processing US Visa Cards then it is almost certainly some AVS issue they have been having. PayPal has known about the issue since mid-late October 2010 and as yet they they haven't resolved it. I myself have had an entry in MTS since October 29th. They will tell you very little other than telling you that it is a high priority to fix it. Having fought long and hard with so-called "Business Support" the MTS people eventually confirmed that I couldn't take Direct Payments or Virtual Terminal payments on certain cards until they upgrade their code, a job they are supposedly "confident" will take place in late January next year. I leave it to you to try to guess why it takes months to reverse out a bug that appeared in October 2010. In the meantime my clients are finding that PayPal has attempted to take money from their cards leaving approved transactions that aren't collected upon and the bulk of their funds frozen in limbo in the run up until Christmas. They don't understand why I haven't solved the problem and why I can't either release or collect the funds that are frozen on their cards. Merry Christmas PayPal. Thanks for providing me with a great service and increasing the fees I pay because my transaction level is declining due to your faulty software.
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