Help me plz very urgent

Ok i got a no-cd crack right? ok i follow ALL site instructions right?
THEN I install it into the game file which is Diablo 2 btw and it says "Hey guys looks like a big error " i dont kno wat this means maybe someone trying to hack me? or ****ed up game file im really not sure... If someone could help I would appreciate it. Thank you for ure time and if you need more info just ask. -Brian

UpDate:
I have figured out how to get the game going but now im having problems with the patching system....it says something like "Error starting patching check please visit blizzard,net" So yea im stuck

[DuffMan]

You must have the original exe to update the game.