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 ...
Once you install the client on your device, you’ll need to connect it to your server. Enter your local IP address and port ...
Microsoft’s latest Windows 11 update, KB5066835, has broken localhost support and disrupted development workflows across the ...
Update 10/17/25: Microsoft fixes the bug using a KIR (Known Issue Rollback) update. More information added to end of story. Microsoft's October Windows 11 updates have broken the "localhost" ...
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