PC need help

[vestiges]

tried downloading and installing war of the walkers bigger bag pack 5.2 but can't get it to load just need to know if there is something im doing wrong

 

[Crater Creator]

Are you launching the game via Steam? How did you install the mod? Does the game still work with no mods installed?

 

[SylenThunder]

Using an unsupported OS like Windows XP can cause this too.

 

[Guppycur]

...just make sure Steam is running in the background. I'm not sure if the Mod Launcher checks for that.