i mount in daemon a starcraft original cd

when i extract starcraft cd original files with stargus in pc say:

can´t open data/install.exe
can´t open stardat.mpq

why??

and stargus starcraft .deb installer say original files in MyDocs

how?

i am confuse, MyDocs or opt and install file 600mb original cd in MyDocs

it is very rare , or in memory card installation???