Tekkit Launcher Problem

[kam2011]

Launcher/pack Version: 0.5.4.8

Operating System: Windows 7 64 Bit

Version of Java: 7

Description of Problem: i try to install the update for tekkit and it says "Update Failed" and if it does work it just makes another tab and gives me white screen this isnt a server issue but the launcher itself i would apreciate it if anyone could help me thanks

Error Messages:

Link to pastebin of log:

[kam2011]

Nevermind now i fixed it but now when i try to connect to servers it says im missing forestry mod ic2 and EE and some others

[spaceagecaveman]

In the Technic Launcher's Options menu, select "Always use development builds".

Should work after that.