Users unable to log into League of Legends due to an internal SSL certificate that was valid for 10 years expired today, 2026-01-04.
Temporary workaround is to set your computer's clock back to before the certificate expires, until a new client build is released with an updated certificate, presumably.
> Just as before, Enterprises using the ExtensionManifestV2Availability policy will continue to be exempt from any browser changes until at least June 2025. Starting in June, the branch for Chrome 139 will begin, in which support for Manifest V2 extensions will be removed from Chrome. Unlike the previous changes to disable Manifest V2 extensions which gradually rolled out to users, this change will impact all users on Chrome 139 at once. As a result, Chrome 138 is the final version of Chrome to support Manifest V2 extensions (when paired with the ExtensionManifestV2Availability key). You can find the release information about Chrome 138 and 139, include ChromeOS's LTS support, on the Chromium release schedule
Temporary workaround is to set your computer's clock back to before the certificate expires, until a new client build is released with an updated certificate, presumably.
Surprisingly, not a DNS issue, for a change.