E or U version? Always try to post a direct link to the game that's giving you problems.
I'll download them to see if there's something wrong.
EDIT: Just downloaded both games, had no problem extracting.
Download and install 7zip and use it to extract the ROMs (.nds files). If you never used it before, read this:
http://www.epforums.org/showthread.p...to-Handle-Them