Web Connector Error QBWC1039

QuickBooks Desktop's Web Connector can stop a sync and report error code QBWC1039. This error is generated entirely by Intuit's Web Connector application on the QuickBooks Desktop side of the connection, not by Maxio's integration, so the exact message text that accompanies the code can vary depending on what triggered it.

Why QBWC1039 happens

QBWC1039 is one of the generic error codes the Web Connector uses to report a problem it ran into while communicating with QuickBooks Desktop during a sync. Because this code and its underlying trigger belong to Intuit's Web Connector application rather than Maxio's codebase, Maxio cannot confirm the specific condition that causes it in any given case -- that detail is Intuit's to document, and troubleshooting it starts with clearing out any stuck connection state between the Web Connector and QuickBooks Desktop.

Restart QuickBooks Desktop and the Web Connector

Before working through Intuit's detailed troubleshooting steps, clear out any stuck state in QuickBooks Desktop or the Web Connector with a full restart. This resolves the error for many syncs without further steps.

To reset the Web Connector connection

1. Shut down the Web Connector.
2. Shut down QuickBooks Desktop.
3. Reboot your machine, if possible.
4. Reopen QuickBooks Desktop and the Web Connector, then run the sync again.

If the error still occurs after the reset, follow Intuit's steps to fix error QBWC1039 in QuickBooks Desktop's own support documentation.

Related information

For guidance on reading the additional detail behind any Web Connector error message, including this one, see QuickBooks Web Connector Errors.