如果您在 Windows 10 计算机上的Edge、Internet Explorer、Chrome或Firefox中看到^(Firefox)This site is not secure消息，错误代码为^{(Error Code)}DLG FLAGS INVALID CA，那么这篇文章将对此有所了解。

您将看到的确切消息是：

此站点在浏览器中不是安全消息

这可能意味着有人试图欺骗您或窃取您发送到服务器的任何信息。您应该立即关闭此站点。
您的 PC 不信任此网站的安全证书。
网站安全证书中的主机名与您尝试访问的网站不同。
错误代码：DLG_FLAGS_INVALID_CA
DLG_FLAGS_SEC_CERT_CN_INVALID。

您拥有的选项是；

• 关闭选项卡而不访问该站点
• 转到不是推荐选项的网页。

你可以尝试另一件事：

• 清除浏览器缓存并重试
• 使用其他浏览器检查。

此类证书^{(Certificate)}错误通常发生在以下情况：

1. 证书未正确安装
2. 证书已过期，网站尚未续订
3. 网站^(Website)遭到入侵，并且存在恶意重定向。

因此，如果您信任该网站，那么您可以继续访问该网站。但如果您有疑问或不确定，最好关闭标签并避免访问网页。

如果您在喜欢的网站上经常收到此错误，您可以联系其管理员并要求他们调查此事。

管理员可能想检查您的网络是否位于Proxy后面。还要检查证书^{(Certificates)}是否已更新并且它们是否正确传播。

如果您收到您的连接不安全错误，请参阅此帖子。^{(See this post if you receive Your connection is not secure error.)}

This site is not secure message in Edge, Chrome or Firefox

If you see a This site is not secure message in Edge, Internet Explorer, Chrome or Firefox, with Error Code DLG FLAGS INVALID CA, on your Windows 10 computer then this post will throw some light on it.

The exact message you will see is:

This site is not secure message in browser

This might mean that someone’s trying to fool you or steal any info you send to the server. You should close this site immediately.
Your PC doesn’t trust this website’s security certificate.
The hostname in the website’s security certificate differs from the website you are trying to visit.
Error Code: DLG_FLAGS_INVALID_CA
DLG_FLAGS_SEC_CERT_CN_INVALID.

The options you have are;

• Close the tab and not visit the site
• Go on to the webpage which is not the recommended option.

You could try another thing:

• Clear your browser cache and try again
• Check using another browser.

Such Certificate errors usually occur when:

1. The certificate isn’t installed correctly
2. The certificate expired and the site hasn’t renewed it
3. Website is compromised and there is a malicious redirection.

So if you trust the website then you may proceed to visit the site. But if you have doubts or are unsure, best to close the tab and avoid visiting the webpage.

If you receive this error frequently on your favorite website, you could contact its administrators and ask them to look into this matter.

Administrators may want to check if your network is behind a Proxy. Also check if the Certificates are renewed and they are propagating correctly.

See this post if you receive Your connection is not secure error.

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