Windows 11 does not currently tell you that Windows needs to be restarted, so you will get an error message in Linux, Debian, Ubuntu, ..., so please restart Windows 11 and then restart the Linux subsystem!
Please activate the Windows feature "Virtual Machine Platform" and make sure that virtualization is activated in the BIOS. Further information can be found at https://aka.ms/wsl2-install
4.) How does the WSL work under Windows 11 and Windows 10, what must be observed!
You need a 64-bit version of Windows 10, Windows 11 does not have a 32-bit version anyway, so it cannot be the case here!
To use WSL, you need to install a Linux distribution. By default, WSL installs Ubuntu. This gives you access to a full Ubuntu command line environment using the bash shell or any other command line shell of your choice.
You can also access your Linux shell environments through the Windows Terminal app included with Windows 11.
You can activate the Windows subsystem for Linux on all editions of Windows 11, even on Windows 11 Home. You can also install the so-called WSL under Windows 10. When you enable the feature, Windows 11 downloads an MS-made Linux kernel that runs in the background.
The practical thing is that Windows Update keeps the kernel up to date. You can also use your own custom Linux kernel if you'd like.
FAQ 140: Updated on: 10 September 2021 12:35Windows