
*** Windows XP/VISTA/SEVEN ***
Go to : C:/YourGamesFolder/activision/Call Off Duty 2/main/
Backup Players folder to a safe location.
Servercache.dat is here : C:/YourGamesFolder/activision/Call Off Duty 2

*** Windows Vista/Seven ***
if you cannot locate the games launcher do the following:
First you need to setup your system to see hidden files and folders in Vista/Seven :
click on the Folder options and select the option to view hidden files and folders
Then go to the data you wish to backup:
Go to start -> computer
C:/users/username/AppData/Local/Activision/CoDWaW
Backup the Players/Mods folders and servercache.dat file to a safe location

*** Windows Vista/Seven ***
if you cannot locate the games launcher do the following:
First you need to setup your system to see hidden files and folders in Vista/Seven :
click on the Folder options and select the option to view hidden files and folders
Then go to the data you wish to backup:
Go to start -> computer
C:/users/username/AppData/Local/Activision/CoDWaW
Backup the Players/Mods folders and servercache.dat file to a safe location