On Mar 29, 1:41 ¨Âí¬ òáòïîá¼õ®®®Àãïíðçòïõðó®îåô¯¾ ÷òïôåº > I'm already Using 127.0.0.1. > Thanks anyway! Please report to the ruby-mysql author[1] that this is a bug since is not considering RbConfig::CONFIG['host_os'] to avoid usage of UNIXSocket under Windows [1] http://github.com/tmtm/ruby-mysql -- Luis Lavena