2025年10月にMicrosoftが配信したWindows 11向けの累積更新プログラム(KB5066835)を適用した環境で、localhostへのアクセスができなくなるという問題が発生しています。これにより、開発者などが自身のPC上で開発・テストしているウェブアプリにローカルホストを ...
In environments where the cumulative update for Windows 11 released by Microsoft in October 2025 (KB5066835) has been applied, an issue has occurred where localhost is no longer accessible. This has ...
ThioJoe covers a recent Windows Patch update that temporarily broke HTTP/2 localhost connections and explains which apps were affected. He details Microsoft’s rollback solution and offers additional ...