The QuickBooks Web Connector Error 1085 is related to the desktop version of QuickBooks enterprises. It may occur if the QWCLOG.TXT File is damaged or corrupted. This situation prevents QuickBooks from exchanging any data with third-party applications. Thus, you can rename the QWCLOG.TXT File to fix the error. Besides that, also check for the web connector is disabled. If so, enable it.