Cause Analysis: The general occurrence of this deterioration of the situation, first of all must be related to the version of the game. So first of all update your game version of the latest version of this is the most important. Second, to see if the server itself has failed, try to repair the server to resolve the problem.
Solution: First, of course, the players who know the World of Warcraft are aware of World of Warcraft is a national service, Taiwan, clothing, such as the version, if you update the version, the use of the version of the National Service to update the version of the table, then there will be incompatibility, resulting in the registry is damaged. It is also possible that the game version will not verify the corrupted file. If you are not sure of the game version, then go to the World of Warcraft online Download the corresponding server version. Then come to the game to login. This is in case you have enough time.
Two, also has the netizen response to say may be your game account number is 9C. has not officially been transferred to NetEase's own, then if you use the 9c game account is not in the user download the World of Warcraft client landing. Be sure where you registered when you applied for your account. Then in the corresponding URL download game client login game account.
Third, I believe that the above methods should be able to solve the problem can not verify the game version of World of Warcraft failure. Of course it doesn't work, then learn to worry about small series of recommendations to delete the client folder after the "cache, WTF, Interface" Three folders, and then delete the data under the "cache, Cachenew, Cacheold" class files, Then, after renaming the client folder, run the Launcher.exe program with administrator privileges, and in the course of the operation you need to be aware that the launcher.exe prompts "have been updated" to try again.