Can't download any Modpack

[Kwiba]

Launcher Version: 383

Operating System: Windows 7 Home Premium 64-Bit

Java Version: Java 7 Update 51

Antivirus Program: Kaspersky Internet Security 2014

Description of Problem:

I can't download any Modpack.Everytime i try to download Tekkit Classic,Hexxit.

Error Messages:

Error downloading file for the following pack: Tekkit Classic

Failed to download http://resources.download.minecraft.net/ad/ad126e435cca94054bf0d616301799a105526cde

Please consult the modpack author

Error Log:

[Munaus]

No error log?

Could you try disabling or perhaps temporarily uninstalling your antivirus? Restart your pc if you do uninstall it, then run the launcher