1. In russia e-hentai in self block (problems with law)
2. by default for russia IPs site show Cloudflare anti ddos page

For login, program get e-hentai.org/uconfig.php => get code 403 by cloudflare or "This content is not available in Russia.RU" by site => program notice "status code not indicate success (403)"
If i enable proxy/vpn over other country, login return success code.
Easy solve: add "Force|NoCheck" checkbox in login window