Yes, there are reported cases related to logging in issues which you can view in the QuickBooks Status page, Sfmworrall76. We are currently looking into it.
While we we're at it, let's do the browser troubleshooting steps. This will help us determine if the issue is caused by browser cache. Cache helps websites load faster. However, it can also cause unexpected issues when the browser accumulates too much of it. You can follow the detailed troubleshooting in this article: Troubleshooting browser problems.
If the issue persists, I'd recommend reaching out to our QuickBooks Support Team. They can pull up your account and give you further updates about this.
I'll be right here if you need anything else.