FTB crashes when it finishes launching

[Monsieur Putois]

Title:

FTB crashes when it finishes launching​

Launcher Version:

Last one ?​

Modpack:

FTB Infinity​

Modpack Version:

1.4.1​

Log Link:

http://paste.feed-the-beast.com/view/raw/248ee642​

Details of the issue:

It's simple, when I launch it loads. The Mojang logo appears at first, then it just shuts down reopening the launcher.​

 

[Henry Link]

Please post the crash log. It can be found at:

F:\Minecraft\FTB\FTBInfinity\minecraft\crash-reports\crash-2015-10-30_12.09.32-client.txt

 

[Moasseman]

Go to options pane in the launcher, click "Force update" and try launching again.