Installing Docker Desktop reports an error message: WSL 2 installation is incomplete (Solve the error message)

Error description

When we install Docker Desktop, it will ask us if we need to use WSL2 (Windows-based Linux subsystem). If we don’t apply, it will run using the Hyper-v virtual machine. However, compared to the virtual machine, the subsystem is better in performance. After we choose to use WSL2, we also make sure to turn on the Windows function as shown in the figure below (if it is not turned on, please Baidu how to turn on wsl first.)

There will still be an error as shown in the figure below.

Solve the error

There is an error prompt. It is speculated that the wsl2 version we are using is old and we need to update it manually. We go to the Microsoft official website to download the latest version of wsl2 according to the prompts and it can be opened normally after installation.
Update package download link.

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