[aquariusDue]

Thanks for the tip, it might work if I can figure out where the certificate is stored on Windows because I am forced to go through an application first.

The application I mentioned: https://www.certsign.ro/en/products/eidas-trust-services/pap...

Also back on Windows the website I needed to access didn't work with Firefox so I had to resort to Chrome sadly but maybe I'll have better luck now.

Thanks for pointing me in the right direction!

[anonymouskimmer]

You're welcome. This article is from Microsoft itself and may help more: https://woshub.com/add-certificate-to-trusted-on-linux/

Vivaldi is a nice chromium-based browser that I use on Linux for sites that don't work on Firefox. The certutil commands for it are apparently these: https://labs.gwendragon.de/blog/Web/Browser/Vivaldi/linux-ad...