How to Fix Gpg or error time running update in linux

Hello Every Body now I will show you how to fix GPG error or time running update in linux. okey let's do it :

# first Open your terminal and write this code :

1. sudo apt-get clean
2. sudo mv /var/lib/apt/lists /tmp
3. sudo mkdir -p /var/lib/apt/lists/partial
4. sudo apt-get clean
5. sudo apt-get update

okey I hope you success for update and upgrade your linux now and thanks for coming... : )