QuickBooks web connector is an application that enables qbXML and qbposXML to pass between a web-based application and QuickBooks point of sale. The user might face some issues while using the application and QuickBooks web connector error QBWC1085 is one of them. This error is related to the log file of QuickBooks. This error is usually seen when the user tries to open the company file and restricts the user to write the log files.