How to fix unknow installation error while installing WebView2 v109?

Ramakrishnan R 0 Reputation points

I have downloaded the installer from the following link I ran the installer in admin mode but I am getting Unknown installer error. There is no WebView2 installed already (Verified from the COntrol panel). I tried clearing the %temp% folder too.

WebView 2 version - 109

OS version - Windows_Server-2016

Architecture - 64
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Microsoft Edge
Microsoft Edge
A Microsoft cross-platform web browser that provides privacy, learning, and accessibility tools.
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  1. ShiJieLi-MSFT 6,506 Reputation points Microsoft Vendor

    Hi @Ramakrishnan R ,

    This installer you've downloaded is meant for v109 down-level extended support on Win 7, 8, and 8.1 (including Server 2012 R2 which is based on Win 8.1), so you're supposed to install it on one of these platforms and it only serves as an update.

    If you would like to install WebView2, you can visit

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    Best Regards,

    Shijie Li

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