gdb: kernel event for pid=732 tid=1900 code=EXCEPTION_DEBUG_EVENT)
gdb: Target exception EXCEPTION_ACCESS_VIOLATION at 0x0079ac5c

Program received signal SIGSEGV, Segmentation fault.
0x0079ac5c in nodeFreeNode (ntree=0x3dd9840, node=0x3dd98e0) at node.c:1010
1010    node.c: No such file or directory.
        in node.c
(gdb) bt
#0  0x0079ac5c in nodeFreeNode (ntree=0x3dd9840, node=0x3dd98e0) at node.c:1010
#1  0x0079adce in ntreeFreeTree (ntree=0x3dd9840) at node.c:1053
#2  0x0074c5ff in free_material (ma=0x3dd94b0) at material.c:98
#3  0x00752b70 in free_libblock (lb=0x3dbbbd0, idv=0x3dd94b0) at library.c:421
#4  0x00752dbb in free_main (mainvar=0x3dbbaf0) at library.c:517
#5  0x0074aa1c in free_blender () at blender.c:168
#6  0x00410905 in exit_usiblender () at usiblender.c:840
#7  0x00404e15 in screenmain () at editscreen.c:1314
#8  0x004026e3 in main (argc=1, argv=0x3d50d30) at creator.c:689
(gdb)