hi guys i recently bought this game off a friend so im new. whenever i try to join a game online i get cannot find checksum 15. and then it says please make sure the WA cd is in the disk drive. the disk is in the disk drive but i still get the same error.

Can anyone plz help?

Install the latest update. Installation details are here: http://www.nanacide.com/wahelp.

ya i figured it out, but now i get into a game and everything, but when the host starts the game I lose the connection or something like that. "Lost conection to network" i think.

i'm having the exact same problem, what exactly did you have to do to fix it?

That is, most likely, the result of you being booted from the game. Many hosts like to be boot-happy and boot anyone who looks like a newbie. Try using a name that doesn't have "Worm" in it, and is in proper case. Adding a fake clan tag would work well in your favour too, as in "Stick-L2P-" or something.