Hello, barbara-wright.
It looks as though this error has occurred a time or two within our QuickBooks community. Use these troubleshooting steps, I'm confident it will solve your error message.
1. Use Google Chrome (most efficient browser for QuickBooks) You can download Chrome here.
2. Clear Cache and Cookies.
3. Try opening an incognito window.
4. You can also update your company information by signing in at: accounts.intuit.com
If you perform these steps it will fix any issues you're experiencing when updating your company information.
Let me know if you need help with anything else! Best of luck and enjoy your Thursday.