diff --git a/qgroundcontrol.pri b/qgroundcontrol.pri
index 874e48fee3afe8631bdf648232bde0400b856e3b..35789238296a666aeef1b4846671184cce192439 100644
--- a/qgroundcontrol.pri
+++ b/qgroundcontrol.pri
@@ -320,8 +320,14 @@ win32-msvc2008 {
 
     message(Building for Windows Visual Studio 2008 (32bit))
 
+    # QAxContainer support is needed for the Internet Control
+    # element showing the Google Earth window
     CONFIG += qaxcontainer
 
+    # The EIGEN library needs this define
+    # to make the internal min/max functions work
+    DEFINES += NOMINMAX
+
     # QWebkit is not needed on MS-Windows compilation environment
     CONFIG -= webkit
 
diff --git a/src/QGC.h b/src/QGC.h
index 6ddd5fc67fd9641221b4d26192496239550bd395..9a1b442d176de3bc7818d086c4cc2f8fa705880f 100644
--- a/src/QGC.h
+++ b/src/QGC.h
@@ -33,9 +33,22 @@
 
 /* Windows fixes */
 #ifdef _MSC_VER
-#include <math.h>
-#define isnan(x) _isnan(x)
-#define isinf(x) (!_finite(x))
+/* Needed define for Eigen */
+//#define NOMINMAX
+#include <limits>
+template<typename T>
+inline bool isnan(T value)
+{
+    return value != value;
+
+}
+
+// requires #include <limits>
+template<typename T>
+inline bool isinf(T value)
+{
+    return std::numeric_limits<T>::has_infinity && (value == std::numeric_limits<T>::infinity() || (-1*value) == std::numeric_limits<T>::infinity());
+}
 #else
 #include <cmath>
 #ifndef isnan
diff --git a/src/comm/MAVLinkSimulationWaypointPlanner.cc b/src/comm/MAVLinkSimulationWaypointPlanner.cc
index f2e0acc4836668468b816303cd2e7f3970fdb35a..d78b4d5bfe0e96d38f1a5fd497b2f83474956eb0 100644
--- a/src/comm/MAVLinkSimulationWaypointPlanner.cc
+++ b/src/comm/MAVLinkSimulationWaypointPlanner.cc
@@ -820,7 +820,7 @@ void MAVLinkSimulationWaypointPlanner::mavlink_handler (const mavlink_message_t*
         mavlink_msg_action_decode(msg, &action);
         if(action.target == systemid) {
             if (verbose) qDebug("Waypoint: received message with action %d\n", action.action);
-            switch (action.action) {
+//            switch (action.action) {
 //				case MAV_ACTION_LAUNCH:
 //					if (verbose) std::cerr << "Launch received" << std::endl;
 //					current_active_wp_id = 0;
@@ -847,10 +847,10 @@ void MAVLinkSimulationWaypointPlanner::mavlink_handler (const mavlink_message_t*
 //				default:
 //					if (verbose) std::cerr << "Unknown action received with id " << action.action << ", no action taken" << std::endl;
 //					break;
-            }
+//            }
         }
         break;
-    }
+	}
 
     case MAVLINK_MSG_ID_WAYPOINT_ACK: {
         mavlink_waypoint_ack_t wpa;
diff --git a/src/uas/QGCUASParamManager.cc b/src/uas/QGCUASParamManager.cc
index 82ea6f514323f46d47c65799708ce2771c874d64..d6e9a6bc47befe46296d8df0a4faefc3cba3bff4 100644
--- a/src/uas/QGCUASParamManager.cc
+++ b/src/uas/QGCUASParamManager.cc
@@ -20,7 +20,7 @@ QGCUASParamManager::QGCUASParamManager(UASInterface* uas, QWidget *parent) :
  */
 void QGCUASParamManager::requestParameterListUpdate(int component)
 {
-
+	Q_UNUSED(component);
 }
 
 
diff --git a/src/ui/HUD.cc b/src/ui/HUD.cc
index 3a5ac60a4d0fdcc2d01127844e27263a2981f662..e186b0a2dc4e31bb8ef588819e2972672569bba5 100644
--- a/src/ui/HUD.cc
+++ b/src/ui/HUD.cc
@@ -51,20 +51,6 @@ This file is part of the QGROUNDCONTROL project
 #define GL_MULTISAMPLE  0x809D
 #endif
 
-template<typename T>
-inline bool isnan(T value)
-{
-    return value != value;
-
-}
-
-// requires #include <limits>
-template<typename T>
-inline bool isinf(T value)
-{
-    return std::numeric_limits<T>::has_infinity && (value == std::numeric_limits<T>::infinity() || (-1*value) == std::numeric_limits<T>::infinity());
-}
-
 /**
  * @warning The HUD widget will not start painting its content automatically
  *          to update the view, start the auto-update by calling HUD::start().