Description:

When attempting to use the html2pdf  example on Windows, the example fails to generate the output PDF file despite providing valid input and output arguments. The tool displays the help menu correctly when launched without any additional arguments but encounters an error when processing input and output arguments.

Steps to reproduce:

1. build and run the WebEngine Widgets Html2Pdf Examplewith the following additional arguments:

https://qt.io output.pdf

Logs: please find logs.txt attached to this bugreport

Expected Behavior: The Example should successfully generate the output PDF file when provided with valid input and output arguments.

Actual Behavior: The Example fails to generate the output PDF file despite providing valid input and output arguments.