I cant join to server online please help

can not connect to server because the update backend is unavailable to join thi server you have to install the required update manually

Download update here: https://cod4x.ovh/uploads/short-url/d5Tcz0e3rFBEE20Sw5Ep9wi0RqR.zip

Unzip in the root of your cod4 directory.
Navigate to the install.cmd and run it

You should be fine then

now i have error iwd sum/name mismatch and i cant play the multiplayer game
please speed help

What iwd file is the mismatch on?

“I put it in and started the file, but after opening the game, it prompted me that there was a problem with the file ‘localized_chinese_iwl15. iwd’.”