QuickBooks is one of the best accounting software that most business owners rely on. It has many evolved functionalities that can assist you in organizing and conducting many business operations. However, QuickBooks also deals with a few errors that can affect its functions, which is why business owners face difficulty using this software. One such issue users are dealing with is the QBWC1039 error. Here, we will discuss what causes can lead you to this QuickBooks Web Connecting error.