Got the wrong presets path on some windows installations, should work now....

Got the wrong presets path on some windows installations, should work now. (also thanks to jesterKing and testscreenings)

add_mesh_BoltFactory/preset_utils.py

@@ -23,8 +23,8 @@ import os, sys
 
 def getPresets():
 
-    scriptPath = sys.path[1] + os.sep + "add_mesh_BoltFactory"
-    presetPath = scriptPath + os.sep +"presets"
+    scriptPath = bpy.utils.script_paths()[0] + os.sep  + "addons" + os.sep + "add_mesh_BoltFactory"
+    presetPath = scriptPath + os.sep + "presets"
     presetFiles = os.listdir(presetPath)
     #presetFiles.sort()