Download iscab_11.50.0.42618
http://uploaded.to/?id=54sfn0
copy into the folder dvd1 where you copied the files from the DVD, overwrite any files when asked.
run repack_cabs.bat
and the big datacab 2 file split it in half,
make a map for dvd2 and copy all the files from the folder dvd1 in it.
Then go to folder dvd 1 and delete datacab 3.
Then go to dvd2 folder and delete datacab 2.
add nocd to dvd1
open in map dvd2 the autorun.inf en take this over
[autorun]
open=autorun.exe
icon=autorun.ico