![Firefox 4 logo](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/products/2021-10-13-03-33-38-93cfbb_1.png)
browser not opening
Error message showing. Browser will not open no matter which search engine I use.
https://www.google.com/search?q=adguard%20app&ie=utf-8&oe=utf-8&client=firefox-b-1-m has a security policy called HTTP Strict Transport Security (HSTS), which means that Firefox Focus can only connect to it securely. You can’t add an exception to visit this site.