Hello! I have a problem

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E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/universe/f/ffmpeg/libavcodec57_3.4.11-0ubuntu0.1_amd64.deb Connection failed [IP: 185.125.190.39 80] E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/libb/libbluray/libbluray2_1.0.2-3_amd64.deb Connection failed [IP: 91.189.91.38 80] E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/c/chromaprint/libchromaprint1_1.4.3-1_amd64.deb Connection failed [IP: 185.125.190.39 80] E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/g/game-music-emu/libgme0_0.6.2-1_amd64.deb Connection failed [IP: 91.189.91.38 80] E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/m/mpg123/libmpg123-0_1.25.10-1_amd64.deb Connection failed [IP: 185.125.190.39 80] E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/libv/libvorbis/libvorbisfile3_1.3.5-4.2_amd64.deb Connection failed [IP: 91.189.91.39 80] E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/libo/libopenmpt/libopenmpt0_0.3.6-1_amd64.deb Connection failed [IP: 185.125.190.36 80] E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/libs/libssh/libssh-gcrypt-4_0.8.0~20170825.94fa1e38-1ubuntu0.7_amd64.deb Connection failed [IP: 91.189.91.39 80] E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/universe/f/ffmpeg/libavformat57_3.4.11-0ubuntu0.1_amd64.deb Connection failed [IP: 185.125.190.36 80] E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? The command '/bin/sh -c apt-get --no-install-recommends -qq -y install libqt5-dev qt5-dev qt*5-doc-html' returned a non-zero code: 100