<h1 id="%E7%99%BA%E7%94%9F%E3%81%97%E3%81%9F%E7%8F%BE%E8%B1%A1">
<a class="header-anchor-link" href="#%E7%99%BA%E7%94%9F%E3%81%97%E3%81%9F%E7%8F%BE%E8%B1%A1" aria-hidden="true"></a> 発生した現象</h1>
<p>I attempted to install WSL on my new desktop PC, but encountered the following error.</p>
<div class="code-block-container"><pre class="language-terminal"><code class="language-terminal">$wsl --install
Class not registered Error code:
Wsl/CallMsi/REGDB_E_CLASSNOTREG
</code></pre></div><h1 id="%E8%A7%A3%E6%B1%BA%E7%AD%96">
<a class="header-anchor-link" href="#%E8%A7%A3%E6%B1%BA%E7%AD%96" aria-hidden="true"></a> 解決策</h1>
<p><span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__40d4ad948b73a" src="https://embed.zenn.studio/card#zenn-embedded__40d4ad948b73a" data-content="https%3A%2F%2Fgithub.com%2Fmicrosoft%2FWSL%2Freleases" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://github.com/microsoft/WSL/releases" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://github.com/microsoft/WSL/releases</a><br style="display:none">
I resolved the issue by accessing the site, downloading wsl-xxx.x64.msi (the current version in July 2024 is 2.2.4), and reinstalling WSL.</p>


How to fix Class not registered Error code: Wsl/CallMsi/REGDB_E_CLASSN

発生した現象

解決策

Discussion