Iframe access to .htapasswd protected url


I would like the exe to connect to a remote url via iframe but the url is password protected using htaccess an htpasswd, i have supplied the username password in the iframe as follows:

https://username:[email protected]/folder/index.html
When trying to access through the generated exe i only see blank page.

please assist.

A different format in URL works in chrome Version 102.0.5005.115 but not in the supplied version in exeoutput