Program received signal SIGSEGV, Segmentation fault.
0x0094ff7a in defvert_find_index (dvert=0xc, defgroup=0)
    at source\blender\blenkernel\intern\deform.c:560
560                     MDeformWeight *dw = dvert->dw;
#0  0x0094ff7a in defvert_find_index (dvert=0xc, defgroup=0)
    at source\blender\blenkernel\intern\deform.c:560
#1  0x006137de in applyModifier (md=0xc03e8d0, ob=0xc0493c8,
    derivedData=0x128bf328, UNUSED_useRenderParams=0, UNUSED_isFinalCalc=1)
    at source\blender\modifiers\intern\MOD_weightvgproximity.c:392
#2  0x00935102 in mesh_calc_modifiers (scene=0xbcb75f0, ob=0xc0493c8,
    inputVertexCos=0x0, deform_r=0xc04980c, final_r=0xc049810,
    useRenderParams=0, useDeform=1, needMapping=0, dataMask=25, index=-1,
    useCache=1) at source\blender\blenkernel\intern\DerivedMesh.c:1102
#3  0x00936120 in mesh_build_data (scene=0xbcb75f0, ob=0xc0493c8, dataMask=25)
    at source\blender\blenkernel\intern\DerivedMesh.c:1495
#4  0x009362fd in makeDerivedMesh (scene=0xbcb75f0, ob=0xc0493c8, em=0x0,
    dataMask=25) at source\blender\blenkernel\intern\DerivedMesh.c:1536
#5  0x008c93ea in object_handle_update (scene=0xbcb75f0, ob=0xc0493c8)
    at source\blender\blenkernel\intern\object.c:2530
#6  0x0089e40e in scene_update_tagged_recursive (bmain=0xbc94868,
    scene=0xbcb75f0, scene_parent=0xbcb75f0)
    at source\blender\blenkernel\intern\scene.c:978
#7  0x0089e4da in scene_update_tagged (bmain=0xbc94868, scene=0xbcb75f0)
    at source\blender\blenkernel\intern\scene.c:1010
#8  0x0040a559 in wm_event_do_notifiers (C=0x7a86a48)
    at source\blender\windowmanager\intern\wm_event_system.c:311
#9  0x00406768 in WM_main (C=0x7a86a48)
    at source\blender\windowmanager\intern\wm.c:369
#10 0x00403754 in main ()
(gdb)