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/ 2 Years ago, thu, may 26, 2022, 1:25:02
i am using Ubuntu 14.04 now i want to upgrade my Ubuntu to the latest version so i run sudo do-release-upgrade in terminal
then i getting the below error
Err Upgrade tool signature
404 Not Found [IP: 91.189.92.201 80]
Err Upgrade tool
404 Not Found [IP: 91.189.92.201 80]
Fetched 0 B in 0s (0 B/s)
WARNING:root:file 'utopic.tar.gz.gpg' missing
Failed to fetch
Fetching the upgrade failed. There may be a network problem.
please guide me how to resolve this error.Thanks in advance.
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