Hello there, @ColinM2.

I appreciate you for coming back and providing us with additional information. I'm here to help you access QuickBooks and continue to manage your business in QBO.

There are times when your browser is full of frequently-accessed page resources, thus causing websites, like QuickBooks Online (QBO), to act weirdly. This can be the reason why you received an error while you were updating your subscription.

Let's consider logging into your QBO account using a private browser so we can isolate this issue. To do so:
 

• Google Chrome: Ctrl + Shift + N
• Internet Explorer and Mozilla Firefox: Ctrl + Shift + P
• Safari: Command + Option + P
   

If this works, you can clear your regular browser's cache so the system can start fresh. But if you get the same results while using a private browser, use a different browser instead.

I've also included this helpful article in case you need some ideas about managing your account and transactions: QBO Self-help.

Feel free to visit us again, if you have any other questions about QuickBooks. Always here to help.