Hello, thanks for reporting.
Does opening a terminal and typing the command gpg --keyserver keyserver.ubuntu.com --recv-keys 5A9A06AEF9CB8DB0 && gpg --armor --export 5A9A06AEF9CB8DB0 | apt-key add - && apt-get update fix the problem?
Hello, thanks for reporting.
Does opening a terminal and typing the command ubuntu. com --recv-keys 5A9A06AEF9CB8DB0 && gpg --armor --export 5A9A06AEF9CB8DB0 | apt-key add - && apt-get update
gpg --keyserver keyserver.
fix the problem?