Kerbal Space Program freezes on starting new game

[Bledynn]

When I start a new game, the screen freezes with Gene Kerman's introductory speech. If I start a new game with no mods, this doesn't happen.

I have tried verifying the contents of the game on Steam and all files passed

Screenshot: http://imgur.com/bgV4wxP

GameData contents:

ActiveTextureManagement

BahaSP

BoulderCo

CactEye

Chatterer

CommunityResourcePack

CrossFeedEnabler

DMagicOrbitalScience

EnvironmentalVisualEnhancements

EVATransfer

Firespitter

FuelTanksPlus

InterstellarFuelSwitch

JSI

KAS

KerbalGalaxy

KineTechAnimation

KIS

Klockheed_Martian_Gimbal

Kopernicus

LETech

MagicSmokeindustries

ModuleAnimateEmissive

ModuleRCSFX

MP_Nazari

NearFutureSolar

NetherdyneAerospace

OLDD

PlanetaryBaseInc

QuizTechAero

RCSSounds

REPOSoftTech

SCANsat

ShipManifest

SmokeScreen

Source

Squad

StationScience

ThunderAerospace

TriggerTech

UmbraSpaceIndustries

VanguardAstrodynamics

Virgin Kalactic

WarpPlugin

WildBlueIndustries