← All Kali Issues
apt

NO_PUBKEY error

P Package High

🔴 Error Message

W: GPG error, NO_PUBKEY XXXXXXXX

📖 What This Means

Repository GPG public key is not in the keyring.

🔧 Step-by-Step Fix

  1. Add the key: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys XXXXXXXX
  2. Or: wget -qO - https://archive.kali.org/archive-key.asc | sudo apt-key add -
  3. Install keyring: sudo apt install kali-archive-keyring

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