Hope you are doing well and safe, MandydeMoet.
I've checked our records but haven't found any investigations about the issues you've encountered. If an unusual behavior occurs on the application, you can clear the app's cache or uninstall/reinstall it.
To know about unplanned outages or updates in QuickBooks Online, you can visit this link: QuickBooks Status
For your other concerns, your clients may have the multi-factor authentication feature enabled on their account. This is a security setting where you confirm that you’re the one signing in to your account using your password and a unique code.
If your clients want to disable the feature, they have the option to do so by following these steps:
- Sign in to your Intuit account.
- From the left menu, select Sign In & Security.
- In the “Two-step verification” section, select Turn off.
You can read this article for more information: Verify your account with multi-factor authentication.
You can also get back to us here if you have other questions or concerns. We're always around to help. Take care and stay safe!
