re-extract the file. And run the update.Don't change language or region.
Just let it update and see if you can login.
Later restart the game and select your region.
check your antivirus. It may be blocking the program.Try re-extracting the file. It may have been corrupted.
It Worked it was on a friend PC and his avast premium firewall wasn't letting him click on the game window, by turning off the firewall the game worked perfectly. Thanks TheHumanError.