I am using World War craft 3 years with no any problems, on the other hand, at the present with windows xp freezes my PC screen or just load all over after logging in successfully, I cannot play all . So far I've tried all the usual solutions of the boats of the Second World War and delete my WTF, Cache and Interface folders', playing without supplements, update all my drivers, run the Blizzard repair tool etc and nothing has worked. This is a new installation of Windows 7 on which there is very little installed other applications in the world after the War of the art, vapor and critical.
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