Every server I join: ' Can't verify username ' Hmm.... :L

[DomPleaseMan]

Title: Every server I join: ' Can't verify username ' Hmm.... :L

Version: 3.0.3/3.0.4

OS: Windows 7 Pro x64

Java Version: Win 64bit.

Description of Problem:

Pretty much every tekkit server I join it is 'Cant verify username' . What the hell is going on?!

Error Messages:

Error Log:

[Pokechu22]

You probably selected offline mode in the launcher. If it displays that, close and reopen Tekkit. Also, 64 bit is not a good version of java. Try typing "Java -version" into command prompt.

Remember, if you go into single player, and your skin is a steve, you should restart Tekkit.