Can't launch any modpacks

[foxphantom333]

Launcher Version: 253

Operating System: Windows 7

Java Version: Version 7 Update 11

Antivirus Program: Norton 360

Description of Problem:

Whenever i open the launcher and select which modpack i want and hit launch it just opens the error message,"Error retrieving information for selected pack: Hexxit, or whatever i am trying to open.

Error Messages:

Error retrieving information for selected pack: Hexxit

Error Log:

[Natdude10]

I am having the same problem. It works occasionally for me...

[Smileybmm]

I am also having this problem, my computer specs are

Launcher Version: 253

Operating System: Windows 7

Java Version: Version 7 Update 11

Antivirus Program: Microsoft Security Essentials

Internet Provider: Century Link (In case this matters)

[diskdinomite]

I used to have that problem, when it loads up, under the mod packs you will see it says loading, DO NOT TOUCH ANYTHING. Wait, if after about 1 minute it does not go away, restart your launcher and repeat until loading goes away