install KB5131085 → Edge Internet browsing fails with ERR_INVALID_RESPONSE

Tariq Malik 0 Reputation points
2026-11-12T08:55:41.34+00:00

Windows Server 2019 works normally → install KB5131085 → Edge Internet browsing fails with ERR_INVALID_RESPONSE → uninstall KB5131085 → Internet browsing immediately works again.

Microsoft Edge | Install and update | Windows 11
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  1. Vikki-T 14,115 Reputation points Microsoft External Staff Moderator
    2026-11-12T14:31:53.98+00:00

    Hello Tariq Malik,

    Thank you for reporting this. Since Edge stops loading webpages after KB5131085 is installed and works again after the update is removed, please make sure Microsoft Edge and any third-party security software are fully updated. You can also try repairing Edge by going to Settings > Apps > Installed apps > Microsoft Edge > Modify > Repair.

    For additional guidance, see: What to do if Microsoft Edge isn’t working Thank you so much for your understanding.     

    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

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