Your app will be hosted by {0} ({1}), so it can be tested. It's using a self-signed certificate. To show the content inside ...

Your app will be hosted by {0} ({1}), so it can be tested. It's using a self-signed certificate. To show the content inside browser window correctly, you need install the certificate to the root certificate store of the current user. After installing the certificate, it can be only removed manually. 

Please verify that the host URL is coming from a trusted source.

Do you want to install the certificate to your root certificate store?