Category: WSL

Windows Subsystem for Linux (WSL)

Fix “apt-get update” error and “apt-key list” error in WSL

The following signatures were invalid: EXPKEYSIG ED444FF07D8D0BF6
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error:
W: Failed to fetch
W: Some index files failed to download. They have been ignored, or old ones used instead.
E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them is required for this operation

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