kill process on editor close

com.unity.perception/Editor/Pyrception/PyrceptionInstaller.cs

         EditorUtility.ClearProgressBar();
     }
 
-#if UNITY_EDITOR_OSX
+#if UNITY_EDITOR_OSX || true
     void OnDestroy()
     {
         KillProcess();
     }
 
 #endif
+
+    static void Quit()
+    {
+        KillProcess();
+    }
+
+    [RuntimeInitializeOnLoadMethod]
+    static void RunOnStart()
+    {
+        Application.quitting += Quit;
+    }
 
     /// <summary>
     /// Executes command in cmd or console depending on system
 
         Directory.Delete(target_dir, false);
     }
-}
+}