Uv Requires Internet Explorer Version 8 9 10 Or 11 To Run «Browser»

If you see this error, don't panic. Don't downgrade your whole OS. Simply enable the IE 11 Windows Feature, run your script, and then (if you are a purist) disable it again. Or, better yet, pester your software vendor to release a version that uses WebView2.

Until then, IE may be dead on the desktop, but it lives on forever in your CI/CD pipeline. Have you seen this error in a strange place? Did the registry hack work for you? Let me know in the comments below.

When Microsoft built many of its system management tools between 2009 and 2015, they didn't build a custom rendering engine. Instead, they used the —a wrapper around the installed version of Internet Explorer. uv requires internet explorer version 8 9 10 or 11 to run

Unfortunately, "safe" in 2015 became "dangerous" in 2024. The error "uv requires Internet Explorer version 8, 9, 10 or 11 to run" is not a bug; it is a fossil. It is a reminder that Windows is a layered cake of decades of backwards compatibility.

Open PowerShell as Administrator and run: If you see this error, don't panic

DISM /Online /Add-Capability /CapabilityName:Browser.InternetExplorer~~~~0.0.11.0 If you are maintaining an internal tool, check if Microsoft released an update. Many tools that required uv (like older Visual Studio 2017 installers) have been patched to use the Edge WebView2 runtime instead. Upgrade your build tools if possible. The "Why not Chrome?" Question A reader might ask: "Why does Microsoft software depend on Microsoft IE instead of Google Chrome?"

The answer is legal and logistical. Microsoft cannot redistribute Google Chrome's DLLs inside their OS kernel tools due to licensing. Furthermore, the Windows API ( IWebBrowser2 ) is a COM interface that is guaranteed to exist on every Windows machine (until recently). For a systems tool, using the OS intrinsic component is the safest bet for "it just works." Or, better yet, pester your software vendor to

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# Pretend IE is installed for legacy apps New-Item -Path "HKLM:\SOFTWARE\Microsoft\Internet Explorer" -Force Set-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Internet Explorer" -Name "Version" -Value "9.11.10240.0" -Type String Set-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Internet Explorer" -Name "svcVersion" -Value "11.0.1000" -Type String This is a hack. It works for 50% of tools. The other 50% actually try to load ieproxy.dll and will crash anyway. Fix 3: The Official Microsoft Fix (DISM) For Windows Server 2016/2019/2022, you can add the IE feature via DISM:

If you are a developer working with legacy enterprise software, Microsoft tools, or specific CI/CD pipelines, you might have stumbled upon an error message that feels like a slap in the face from the past: "uv requires Internet Explorer version 8, 9, 10 or 11 to run." Your first reaction is likely confusion. You might be running Windows 11, Edge Chromium, or even a headless Linux server. Why on earth does a modern tool require a browser that Microsoft officially retired in June 2022?