Like title said, i wonder why my WHMCS client area get freeze when my client finished their order, the page got freeze with message like this: "Please wait while you are redirected to the gateway you chose to make payment."
nothing hapened after that, a try it with bank transfer method and mail in payment, basicaly it is ok, no significant problem, i can see all order and invoice in WHMCS admin page, its just anoying my client see never ending loading page like that
here is my screenshoot: