W: https://arkane-systems.github.io/wsl-transdebian/apt/dists/focal/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/wsl-transdebian.gpg are ignored as the file has an unsupported filetype.
W: GPG error: https://arkane-systems.github.io/wsl-transdebian/apt focal InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 428AD1A0BA078ABB
E: The repository 'https://arkane-systems.github.io/wsl-transdebian/apt focal InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: http://security.ubuntu.com/ubuntu/dists/focal-security/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/wsl-transdebian.gpg are ignored as the file has an unsupported filetype.
W: https://packages.microsoft.com/ubuntu/20.04/prod/dists/focal/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/wsl-transdebian.gpg are ignored as the file has an unsupported filetype.
W: http://archive.ubuntu.com/ubuntu/dists/focal/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/wsl-transdebian.gpg are ignored as the file has an unsupported filetype.
W: http://archive.ubuntu.com/ubuntu/dists/focal-updates/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/wsl-transdebian.gpg are ignored as the file has an unsupported filetype.
W: http://archive.ubuntu.com/ubuntu/dists/focal-backports/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/wsl-transdebian.gpg are ignored as the file has an unsupported filetype.
Did everything but this comes up.