... Caused by: com.boomi.connector.ConnectorException: Unable to load connector, error extracting archive file to: tmp\connector\connector-quickbooks-XXXX-car.zip at ... Caused by: java.io.FileNotFoundException: tmp\connector\connector-quickbooks- XXXX-car.zip\lib\com4j.dll
Most often this is a result of the atom running as both a Windows service and a desktop application. The two instances of the atom attempt to access (and lock) certain libraries at the same time when a given scheduled process is executed. The default atom installation installs and starts the atom as a Windows service. However because QuickBooks is a desktop application, the atom also must run as a desktop application under a specific Windows users.
The atom Windows service should be stopped and disabled and the desktop app restarted.