Hi, test7777777. I understand that this situation may have caused you stress, and I want to assure you that we are committed to finding a resolution.
Updating your QuickBooks Desktop to the latest release and performing the temporary steps provided by my colleague @DHeraV should fix the issue. Since the problem continues, I suggest contacting our Customer Care Support so they can further check on this and provide more troubleshooting steps to resolve this matter.
I'm sharing this article again for additional details on how to fix the error: Fix error QuickBooks - Application with Revoked Certificate.
We thank you for your patience while we work on this issue.
