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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 ...

ThioJoe covers a recent Windows Patch Tuesday update that temporarily broke HTTP/2 localhost connections and explains which apps were affected. He details Microsoft’s rollback solution and offers ...

近期，微软官方正式确认 Windows 11 24H2 和 25H2 版本在安装 2025年10月的 Patch Tuesday 更新或预览更新后，会出现 localhost 本地连接问题。 此次 localhost 127.0.0.1 是开发和测试过程的常用工具，对于开发者的影响较大，普通用户无需过多担忧。 据开发者和用户发现，更新 ...

IT之家10 月 18 日消息，科技媒体 Windows Latest 今天（10 月 18 日）发布博文，报道称微软官方承认 Windows 11十月累积更新 KB5066835 存在多项 BUG，主要影响 24H2 及 25H2 版本。 一、安装错误 微软承认部分 Windows 11 用户在安装 Windows 11 十月累积更新过程中，可能会遭遇 ...

Microsoft confirmed that Windows 11 KB5066835 breaks localhost (127.0.0.1) HTTP/2 connections, which means locally hosted apps can no longer connect to your network, but that’s not the only problem.

markdown 微软近日确认，Windows 1124H2 及 25H2 版本在安装 2025 年 10 月的定期安全更新后，部分用户遭遇了本地连接异常的问题，引发了广泛关注。受影响设备在访问 localhost时出现连接中断现象，系统提示“ERR_CONNECTION_RESET”错误，这给依赖本地回环地址进行开发和 ...

Microsoft has fixed a known issue breaking HTTP/2 localhost (127.0.0.1) connections and IIS websites after installing recent Windows security updates. This bug affects both Windows 11 and Windows ...

The problem first surfaced on Microsoft's own support forums and quickly spread to Stack Overflow and Server Fault after the October 2025 cumulative update (KB5066835) landed, which appears to have ...

If you encounter the Localhost refused to connect error message when running any web server on your local Windows 11/10 computer, then this post is intended to help ...