Hey there, let’s work through this WSL 2 issue step by step. I’ve helped folks troubleshoot this exact "no installed distributions" problem before, even when following the official docs closely. Here are the most effective fixes to try:

1. Confirm Installation & Trigger Initialization #

First, let’s make sure the Ubuntu package actually deployed, and kick off the setup process that registers it with WSL:

• Open PowerShell and run this to check if the package is installed:

  Get-AppxPackage *Ubuntu*
  

  If you see your Ubuntu distro listed here (with a PackageFullName), it’s installed—but it likely hasn’t been initialized yet.
• Head to your Start Menu, search for "Ubuntu", and launch the app directly. The first launch will walk you through creating a Linux user account and finishing setup. Once this completes, close the app and run wsl --list again—it should now show up in your distribution list.

2. Check for Architecture Mismatches #

A common hidden issue is downloading the wrong Ubuntu package for your Windows 10 architecture:

• Run this in PowerShell to confirm your system type:

  systeminfo | findstr /C:"System Type"
  

  You’ll see either "x64-based PC" or "ARM64-based PC".
• If you downloaded the package for the wrong architecture, delete it, grab the matching version, and re-run Add-AppxPackage with the correct file.

3. Reset WSL Components & Reinstall #

Corrupted WSL system components can block distributions from registering. Let’s reset the entire WSL stack:

1. Open Administrator PowerShell and run these commands to disable WSL and the Virtual Machine Platform:

   dism.exe /online /disable-feature /featurename:Microsoft-Windows-Subsystem-Linux /all /norestart
   dism.exe /online /disable-feature /featurename:VirtualMachinePlatform /all /norestart
   

2. Restart your Windows 10 device.
3. After rebooting, re-enable the required features:

   dism.exe /online /enable-feature /featurename:Microsoft-Windows-Subsystem-Linux /all /norestart
   dism.exe /online /enable-feature /featurename:VirtualMachinePlatform /all /norestart
   

4. Restart again, then set WSL 2 as your default version:

   wsl --set-default-version 2
   

5. Reinstall your Ubuntu package with Add-AppxPackage, then launch the app to complete initialization.

4. Manually Import the Distribution (Last Resort) #

If the appx deployment still doesn’t register the distro, you can manually import the Linux filesystem directly into WSL:

1. Rename your Ubuntu .appx file to .zip and extract it to a temporary folder (e.g., C:\Temp\Ubuntu).
2. Inside the extracted folder, locate the rootfs directory (if you see a .rootfs.tar.gz file, extract that too to get the rootfs folder).
3. Run this command to import the distro (adjust the paths and distro name to match your setup):

   wsl --import Ubuntu D:\WSL\Ubuntu C:\Temp\Ubuntu\rootfs --version 2
   

4. Now run wsl --list—the imported distribution should appear. You can set it as your default with:

   wsl --set-default Ubuntu
   

内容的提问来源于stack exchange，提问作者Bill Gregg