I have written [an application](https://stackapps.com/q/83) that embeds the [WebKit rendering engine](http://www.webkit.org) (the same rendering engine used in Safari and Chrome). This application makes use of the `/inbox` route and therefore requires the user's authorization. The application then displays the `/oauth/dialog` page which provides links for 5 different OpenID providers: ![enter image description here][1] All of the providers (except myOpenID) work fine. However, as soon as a user clicks the myOpenID provider link, they receive the following message: ![enter image description here][2] It should be noted that the error message is generated by my application and is not displayed by myOpenID. That being said, the SSL errors are indeed there (none of the other providers cause an error to appear). The information for the certificate is as follows: Common Name = *.myopenid.com Subject Alternative Names = *.myopenid.com, myopenid.com Issuer = StartCom Class 3 Primary Intermediate Server CA Serial Number = 08C9 SHA1 Thumbprint = 8693F26F35126DFA2044E94C04A455F91515483C Key Length = 2048 bit Signature algorithm = SHA1+RSA (good) Secure Renegotiation: Supported [1]: https://i.sstatic.net/A1gQT.png [2]: https://i.sstatic.net/z0Dol.png