When we display on video wall a web site without trust certificate error appears and hyperlink "Or you can add an exception" does not lead to solving.
1. Install Mozilla Firefox.
2. Open desired site in Mozilla and add it in the exception. (Steps for adding exception in Mozilla can be find on Mozilla support portal: https://support.mozilla.org)
3. Find file C:\Users\<user>\AppData\Roaming\Mozilla\Firefox\Profiles\<xxx>.default\cert_override.txt (this file appears when exception was added)
4. Copy the file to C:\Users\<user>\AppData\Local\Geckofx\DefaultProfile.
5. Check result.