HELP keep crashing

i launch the game and click the auto update i starts but crashes immediately

Download latest version of CoD4x - Client 21.1
and Place the Folder in your game folder
press to Install
your game is now 21.1 (if you’ve done with 1.7 1.6 Before)

for more information check ReadMe.txf in CoD4x - Client 21.1


Click On Update To Protocol 21 at the top of The Master List page.