I keep getting a security message that stops python3-pip from installing.I have tried almost everything,but I still get the same issue.
Error message:
Err:1 http://security.ubuntu.com/ubuntu jammy-updates/main amd64 libexpat1-dev amd64 2.4.7-1ubuntu0.2404 Not Found [IP: 185.125.190.39 80]E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/e/expat/libexpat1-dev_2.4.7-1ubuntu0.2_amd64.deb 404 Not Found [IP: 185.125.190.39 80]E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?