I had that error,just reinstall your Warcraft III and patch it to the eurobattle.net version and the problem will be solved.
Ne nisam ti rekao sve, jednostavno nisam imao snage za to
I played with stefos gproxy etc was great and yesterday i want to play and when i click on battle net it says UNABLE TO VALIDATE FAME VERSION ... but i didint patch my w3 ver ... i cant do nothing ...