Hl2 crash without alert...

Hello, I have problems with GMOD when I run it blocks 2 or 3 seconds when launching the game then I 'm back on the Windows desktop without any warning message … Can you help me?

Thanks

http://dumps.metastruct.uk.to/dumper.py?dump=hl2_150812_crash_2015_9_3T15_37_59C0.mdmp

You are crashing in Awesomium. Can’t say anything more.

What does it mean?