cpan> install IO::Tty Running install for module 'IO::Tty' Running make for T/TO/TODDR/IO-Tty-1.10.tar.gz Has already been unwrapped into directory C:\PERL\cpan\build\IO-Tty-1.10-MfKyq R Could not make: Unknown error Running make test Can't test without successful make Running make install Make had returned bad status, install seems impossible cpan>