LLBLGen Pro Team
Scheveningen, The Netherlands
This is very strange; of course v5 is offered through the SWReg website.
Could you tell me where you're located? And what error did you get when trying to pay? Perhaps your cc company didn't accept the transaction?
We can always arrange for you to purchase from us directly. Please send an email to info _at_ llblgen _dot_ com with your details so we can make you an invoice.