Code: Select all
E: python3: installed python3 package post-installation script subprocess returned error exit status 4
I am using Linux Mint x86_64bit Cinnamon 5.4.11 and have tried running the command
Code: Select all
sudo apt-get update && sudo apt-get upgrade && sudo apt-get autoremove
Code: Select all
W: GPG error: https://dl.winehq.org/wine-builds/ubuntu bionic InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 76F1A20FF987672F
E: The repository 'https://dl.winehq.org/wine-builds/ubuntu bionic InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
Code: Select all
--allow-unauthenticated