Installing the old version is unavailable, accounting.

There's an ongoing investigation about this. However, we can try these steps first before you contact our QuickBooks support.

Let's first do the reset app data:

1. Click the Help menu at the top of the screen.
2. Select the Reset App Data option on the drop-down selection.

If the error persists, proceed to uninstalling and reinstalling the app. You can refer to this article on how you can do it: https://quickbooks.intuit.com/learn-support/en-us/download-products/quickbooks-app-for-windows-and-m....

If the troubleshooting steps still doesn't resolve the error, follow the steps below. You will be added to our list of affected users.

1. Click Help on the menu.
2. Select Contact Us.
3. Enter the error you encountered, click Let's talk.
4. Select Start an email.

Thank you for your patience and understanding.