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 ...
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" ...
Microsoft's timing is awkward, as it continues to encourage Windows 10 users to upgrade now that official support has ended.
Microsoft confirms a new Windows 11 issue affecting the Recovery Environment, with an emergency update now rolling out to ...