ConnectBooster is aware that Intuit is notifying partners and customers of an active service degradation involving QuickBooks Web Connector due to a revoked certificate from their certificate provider. At this time, Intuit is not providing an ETA on when this issue will be resolved.
Intuit has provided the following resources for customers to stay updated, and possibly repair their installation of QuickBooks Web Connector:
QuickBooks Status (intuit.com)
How to fix the error QuickBooks - Application with Revoked Certificate (intuit.com)
Please note that if you try the above fix for QuickBooks Web Connector, ConnectBooster Support is unable to provide assistance with this process. Intuit is requesting that any questions on the fix should be directed to their team directly.
Steps to set up QuickBooks Web Connector again if needed can be found here: QuickBooks WebConnector Setup | ConnectBooster Support.
Please note that ConnectBooster Support is not able to provide any further information regarding this service degradation with QuickBooks Web Connector. Please refer all questions regarding this service degradation with the QuickBooks Web Connector to QuickBooks Support at 1-800-446-8848.