Gmod chrash when join fearless

[Darkside]

Yes as Heroeis has said do these steps

1. Go to Steam
2. Go to your library and find Garry's Mod
3. Right click where it says Garry's Mod on the Tab on the left and press properties (Shown here > http://i.imgur.com/lNapRnu.png)
4. The Game properties should come up and you press the Button for Set Launch Options
5. Type in -autoexec and press Ok
6. Launch Game and try to join Garry's Mod

Things to note

*Don't have the game open when you are doing this
*Be Online on Steam

It should work after that if not, Contact me and I'll find another Solution

Thanks (If work +rep me )