Cannot connect to ubuntuarchive.hnsdc.com, how to install g++?

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http://askubuntu.com – I am using Ubuntu 10.04. I typed sudo apt-get install g++ in the terminal and got the following output. I can't install g++, nor can I upgrade my system. hrushi@hrushi-laptop:~$ sudo apt-get install g++ Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: g++-4.4 libstdc++6-4.4-dev Suggested packages: g++-multilib g++-4.4-multilib gcc-4.4-doc libstdc++6-4.4-dbg libstdc++6-4.4-doc The following NEW packages will be installed: g++ g++-4.4 libstdc++6-4.4-dev 0 upgraded, 3 newly installed, 0 to remo (HowTos)