Technic Launcher crashes MineCraft

[Blizzzzz]

Launcher Version: Technic Launcher 1.0.3.4

Operating System: OS: Windows 7 (x86) version 6.1

Java Version: Java: 1.7.0_09, Oracle Corporation

Antivirus Program: McAfee

Description of Problem:

When launching the app the message suddenly pops up:

Minecraft has crashed!

Error Messages:

java.lang.IllegalArgumentException: Slot 194 is already occupied by immibis.tubestuff.BlockTubestuff@14dc4dc when adding immibis.tubestuff.BlockTubestuff@b77552

Error Log:

[Jorcer]

Turn off McAfee and redownload.