Error solved "An error occurred during the signature verification. The following signatures were invalid"
Sometimes, while updating repository keys, you may get error as I have get the below error for skype package while running
sudo apt-get update command.
And in the last the error...
Basically the error occured because the gpg key for the skype repository is expired in my apt-key database. You may got the expired gpg key or not available error for other package as well.
To resolve the error, there are few hacks which can help you to remove the error when you update the repository list. You can fix the error by importing the gpg key from
Run the below command to update the key with new. Note the last key
1F3045A5DF7587C3. Replace the key
1F3045A5DF7587C3 with the one you are getting error.
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 1F3045A5DF7587C3 sudo apt-get update
Or instead try this option. refresh the keys with below command.
sudo apt-key adv --refresh-keys --keyserver keyserver.ubuntu.com sudo apt-get update
Or the third option is to remove the lists from the directory and run sudo apt-get update command.
sudo apt-get clean sudo rm -r /var/lib/apt/lists/* sudo apt update
You can try these option one by one and do commant below which option work for you. I hope it work for you.
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