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Ubuntu 22.04 LTS on WSL: "Failed to retrieve available kernel versions"/"Failed to check for processor microcode upgrades" when installing packages

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I just installed Ubuntu 22.04 LTS for Windows Subsystem for Linux, but I'm having some issues. Every time I install new packages using sudo apt install, I will get 2 messages saying that:

Failed to retrieve available kernel versions.Failed to check for processor microcode upgrades.

This issue doesn't happen when using Ubuntu 20.04 LTS.

Even though I get these messages, I can install Linux packages and integrate them into Visual Studio Code successfully. And when I check the kernel using uname -r, I get 5.10.102.1-microsoft-standard-WSL2.

Everything works fine, but these messages keep concerning me.

I am wondering why these messages appear and how I can fix them. Can anyone give me some suggestions to fix these issues? Are these messages fatal?

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