A common printing error in QuickBooks is unable to locate the PDF viewer error that once encountered, displays an error message “Unable to Locate PDF Viewer”. Resolving the error requires a profound knowledge of Windows print components like Adobe and XPS Viewer. Getting Error “Unable to Locate PDF Viewer” in QuickBooks Desktop! Follow the article and learn how to resolve the error with 3 simple steps. You can also call QuickBooks Technical Support Number (844)-888-4666 for immediate help and support.