hello sir
please try to access your site with firefox.
firefox is another browser like internet explorer.
please click on the link below and download it
http://download.mozilla.org/?product=firefox-3.5.4&os=win&lang=en-GB
when you got it, install it on your computer. after installation, please try to go to your site and check your payment.
if you still have trouble, please let me know so we can understand this is not a browser related problem. so we can go deeply about that problem.
please let me know how it goes.
regards
Computer Support Specialist
Experience in Windows environment. ASP, Visual Basic, Ajax