QuickBooks payroll just loads and loads and loads, i am unable to trial it or even just pay for it both £5 and £10 options fail to load.Advice?

Thank you for bringing this to our attention, craig109. Given that you've already done extensive troubleshooting on your end, I want to help you get this resolved as quickly as possible.

I suggest contacting our live support team, as they can perform more in-depth diagnostics on your account and environment. Also, they have the secure tools to review your account and you through the next steps.

Here's how:

1. On your QBO account, click the Help button.
2. On the Search Tab, enter Contact Us on the search bar field.
3. Select Contact Us on the bottom page.
4. Click Callback to speak with a live representative or Chat.

If you wish to update your subscription or billing details in QBO, you may refer to this article for guidance: How to update your subscription and billing details

Don't hesitate to reply on this thread if you have more QuickBooks-related concerns. We'll be on the lookout for your reply.