Issue abstract: AdGuard for Windows replaces website certificates with its own security certificate to filter ads.
Firstly, because of the conflict, nothing opens in the Opera Presto 12.18 browser, and in other browsers, ad and tracker filtering is disrupted. AdGuard with Norton 360 incompatibility · Issue #1941 · AdguardTeam/CoreLibs · GitHub
Secondly, AdGuard has the Protect against DPI option to bypass website blocking due to political censorship in some undemocratic countries. As a result of the conflict, this function also stops working, which is why blocked websites do not open.
Detailed description: Norton 360 has a Safe Web fine-tuning for disabling HTTPS scanning, which eliminates this conflict, but it is not in Norton VPN Ultimate. Because of this, you have to disable Safe Web entirely, which reduces the level of protection against network threats.
Product & version number: Norton VPN Ultimate 25.4.10068 (build 25.4.10068.929)
OS details: Windows 7 (x64) and later
What is the error message you are seeing?
Opera 12.18
Secure connection: critical error (xx)
Error connecting to the server. It is possible that the encryption methods supported by the server are not enabled in the security settings.
PR_CONNECT_RESET_ERROR in the Firefox browser when trying to visit blocked websites.
