[RegCNET] problem with compilers

[Ismaila Diallo]

Dear,
i try to install the Fortran and c++ compiler but i met this problem 


Step no: 4 of 7 | Installation configuration - Missing Critical Pre-requisite
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The following required for installation commands are missing:
libstdc++.so.5 ( library)
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    1. Finish with prerequisites and back to Critical Pre-requisites dialog
[default]
    2. Back to Pre-requisite summary dialog

    h. Help
    b. Back to the previous menu
    q. Quit
 Can anyone help me to get libstdc++.so.5

thanks

Cheers
iso