Hey there, @DawnD12.
I appreciate you coming to the Community with your question about the Application with Revoked Certificate error.
I recommend performing all the troubleshooting steps listed in the guide below to help resolve your issue:
How to fix the error QuickBooks - Application with Revoked Certificate
If none of those steps work, I suggest getting in touch with our Customer Support Team because this problem is a known issue at this time. You can review the status of the problem here: Status updates.
I hope this helps. Don't hesitate to come back if you have any other questions. Bye for now!
