Quote by MangoStarr
rip it open with your bear hands.
only manly way to do it

wrong, use your teeth while orally pleasuring a woman at the same time
Ask your friend to send it again. Either that or try another program for unraring it.
the file is obviously damaged. get your friend to unpack it and create a new archive and then try sending that, if he's not having any problems with it. if you have any more issues, ask in the computer thread.
from daylight...
...into darkness