The Chrome browser is the most helpful giving ERR_SSL_VERSION_OR_CIPHER_MISMATCH as the reason for the web page not being available. The fuller details are: "A secure connection cannot be established because this site uses an unsupported protocol" which only confirms my investigation. However, this implies that the problem on this computer is between the browser and the wifi connection. The network adapter is "Killer Wireless-N 1202 Network Adapter (Qualcomm Atheros Communications Inc) being used with 802.11b WiFi. In the application tools/event viewer/windows logs/system the error is reported as "A fatal alert was received from the remote endpoint. The TLS protocol defined fatal alert code is 40." This ties in with my investigation that this computer only uses TLS 1.0 and the serif system only supports TLS1.1 and 1.2. So, the problem is not resolved. The only browser TLS setting I can find is in IE tools advanced where TLS1.1 and 1.2 are enabled. Would this be held in the Registry somewhere and would this entry determine which TLS protocols were actually enabled? ERR_SSL_VERSION_OR_CIPHER_MISMATCH – Explained With Solutions ... View more

Here’s the main I got for my problem, 1) I get the error in IE 11 and Google Chrome. Affected sites are some of Google (maps, youtube, & calendar) and Bing.com. Haven't really tried many other SSL/TLS sites. Some work fine though. 2) Everything was working properly until I "refreshed" my operating system. An additional note is that a second user, on this same computer, has no problems with secured sites. And then I followed this steps and the problem was gone. ERR_SSL_VERSION_OR_CIPHER_MISMATCH – Solutions Encyclopedia http://www.deskdecode.com/err_ssl_version_or_cipher_mismatch/ ... View more

I am Having ERR_SSL_VERSION_OR_CIPHER_MISMATCH Problem in My Pc. ... View more