Download the version 1.04 update patch from this
Blizzard Official Patches Page
Then, try to understand and get the virtual crack named "gruwar3vcr104.rar" from this post:
http://www.fileforums.com/showthread...threadid=39387
Update, and extract the rar to ur game folder... overwrite...
note: war3.org is the original upgrade exe, while war3.exe is the virtual crack (or so called loader)