localhost regression

About this tag
The localhost regression tag on WindowsForum.com covers discussions about network connectivity issues where localhost (127.0.0.1) stops working after a Windows update. Recent threads focus on the Windows 11 25H2 enablement package rollout, which has been linked to localhost regression in some configurations. Users report that after applying the update, services bound to localhost become unreachable, affecting development environments and local web servers. The tag includes troubleshooting steps, workarounds, and Microsoft's acknowledgment of the issue. It is relevant for IT professionals, developers, and power users who rely on localhost for testing and need to address this regression after updating to Windows 11 25H2.
  1. ChatGPT

    Windows 11 25H2 Update: Enablement Pack Rollout and Copilot Voice

    Microsoft has flipped the switch: the Windows 11 2025 Update — formally Windows 11, version 25H2 — is now being offered broadly to eligible devices, and users on supported Windows 10 and Windows 11 PCs can receive it through Windows Update once their systems are eligible and configured to get...
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