diff --git a/Tools/ArdupilotMegaPlanner/ArdupilotMega.csproj b/Tools/ArdupilotMegaPlanner/ArdupilotMega.csproj
index 02429fd7d4..85c3af5249 100644
--- a/Tools/ArdupilotMegaPlanner/ArdupilotMega.csproj
+++ b/Tools/ArdupilotMegaPlanner/ArdupilotMega.csproj
@@ -145,7 +145,7 @@
     <Reference Include="Microsoft.DirectX.DirectInput, Version=1.0.2902.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\..\..\..\..\..\Windows\Microsoft.NET\DirectX for Managed Code\1.0.2902.0\Microsoft.DirectX.DirectInput.dll</HintPath>
-      <Private>True</Private>
+      <Private>False</Private>
     </Reference>
     <Reference Include="OpenTK, Version=1.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
diff --git a/Tools/ArdupilotMegaPlanner/GCSViews/FlightData.cs b/Tools/ArdupilotMegaPlanner/GCSViews/FlightData.cs
index 77bae958ef..b36e0f2679 100644
--- a/Tools/ArdupilotMegaPlanner/GCSViews/FlightData.cs
+++ b/Tools/ArdupilotMegaPlanner/GCSViews/FlightData.cs
@@ -247,6 +247,8 @@ namespace ArdupilotMega.GCSViews
 
                 if (MainV2.comPort.logreadmode && MainV2.comPort.logplaybackfile != null)
                 {
+                    BUT_playlog.Text = "Pause";
+
                     if (comPort.BaseStream.IsOpen)
                         MainV2.comPort.logreadmode = false;
 
@@ -287,6 +289,10 @@ namespace ArdupilotMega.GCSViews
                         MainV2.comPort.logreadmode = false;
                     }
                 }
+                else
+                {
+                    BUT_playlog.Text = "Play";
+                }
 
                 try
                 {
diff --git a/Tools/ArdupilotMegaPlanner/HUD.cs b/Tools/ArdupilotMegaPlanner/HUD.cs
index 416d131619..3045f85a21 100644
--- a/Tools/ArdupilotMegaPlanner/HUD.cs
+++ b/Tools/ArdupilotMegaPlanner/HUD.cs
@@ -49,6 +49,7 @@ namespace hud
             InitializeComponent();
 
             graphicsObject = this;
+            graphicsObjectGDIP = Graphics.FromImage(objBitmap);
         }
 
         private void InitializeComponent()
@@ -136,8 +137,7 @@ namespace hud
         public bool bgon = true;
         public bool hudon = true;
 
-        [System.ComponentModel.Browsable(true),
-System.ComponentModel.Category("Values")]
+        [System.ComponentModel.Browsable(true), System.ComponentModel.Category("Values")]
         public Color hudcolor { get { return whitePen.Color; } set { whitePen = new Pen(value, 2); } }
 
         Pen whitePen = new Pen(Color.White, 2);
@@ -261,10 +261,15 @@ System.ComponentModel.Category("Values")]
 
             huddrawtime += (int)(DateTime.Now - starttime).TotalMilliseconds;
 
+            if (huddrawtime > 500)
+            {
+                opengl = false;
+            }
+
             if (DateTime.Now.Second != countdate.Second)
             {
                 countdate = DateTime.Now;
-                Console.WriteLine("HUD " + count + " hz drawtime " + (huddrawtime / count));
+                Console.WriteLine("HUD " + count + " hz drawtime " + (huddrawtime / count) + " gl " + opengl);
                 count = 0;
                 huddrawtime = 0;
             }
@@ -624,11 +629,22 @@ System.ComponentModel.Category("Values")]
 
         void doPaint(PaintEventArgs e)
         {
-                graphicsObjectGDIP = Graphics.FromImage(objBitmap);
-                graphicsObjectGDIP.SmoothingMode = SmoothingMode.AntiAlias;
-
             try
             {
+                if (graphicsObjectGDIP == null || !opengl && (objBitmap.Width != this.Width || objBitmap.Height != this.Height))
+                {
+                    objBitmap = new Bitmap(this.Width, this.Height);
+                    graphicsObjectGDIP = Graphics.FromImage(objBitmap);
+
+                    graphicsObjectGDIP.SmoothingMode = SmoothingMode.AntiAlias;
+                    graphicsObjectGDIP.InterpolationMode = InterpolationMode.NearestNeighbor;
+                    graphicsObjectGDIP.CompositingMode = CompositingMode.SourceOver;
+                    graphicsObjectGDIP.CompositingQuality = CompositingQuality.HighSpeed;
+                    graphicsObjectGDIP.PixelOffsetMode = PixelOffsetMode.HighSpeed;
+                    graphicsObjectGDIP.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SystemDefault;
+                }
+
+
                 graphicsObject.Clear(Color.Gray);
 
                 if (_bgimage != null)
diff --git a/Tools/ArdupilotMegaPlanner/MainV2.cs b/Tools/ArdupilotMegaPlanner/MainV2.cs
index 5175a7d52f..f526e29c77 100644
--- a/Tools/ArdupilotMegaPlanner/MainV2.cs
+++ b/Tools/ArdupilotMegaPlanner/MainV2.cs
@@ -161,20 +161,6 @@ namespace ArdupilotMega
             }
             catch (Exception e) { MessageBox.Show("A Major error has occured : " + e.ToString()); this.Close(); }
 
-            Console.WriteLine("check hud");
-
-            GCSViews.FlightData.myhud.Refresh();
-            GCSViews.FlightData.myhud.Refresh();
-            GCSViews.FlightData.myhud.Refresh();
-
-            if (GCSViews.FlightData.myhud.huddrawtime > 1000)
-            {
-                MessageBox.Show("The HUD draw time is above 1 seconds. Please update your graphics card driver.");
-                GCSViews.FlightData.myhud.opengl = false;
-            }
-
-            Console.WriteLine("check hud done");
-
             changeunits();
 
             try
@@ -1370,27 +1356,34 @@ namespace ArdupilotMega
                 }
                 if (loadinglabel != null)
                     loadinglabel.Text = "Checking " + file;
+
+                string path = Path.GetDirectoryName(Application.ExecutablePath) + Path.DirectorySeparatorChar + subdir + file;
+
+
                 // Create a request using a URL that can receive a post. 
                 request = WebRequest.Create(baseurl + file);
                 Console.Write(baseurl + file + " ");
                 // Set the Method property of the request to POST.
                 request.Method = "HEAD";
+
+                ((HttpWebRequest)request).IfModifiedSince = File.GetLastWriteTimeUtc(path);
+
                 // Get the response.
                 response = request.GetResponse();
                 // Display the status.
                 Console.WriteLine(((HttpWebResponse)response).StatusDescription);
                 // Get the stream containing content returned by the server.
-                dataStream = response.GetResponseStream();
+                //dataStream = response.GetResponseStream();
                 // Open the stream using a StreamReader for easy access.
 
-                string path = Path.GetDirectoryName(Application.ExecutablePath) + Path.DirectorySeparatorChar + subdir + file;
-
                 bool getfile = false;
 
                 if (File.Exists(path))
                 {
                     FileInfo fi = new FileInfo(path);
 
+                    Console.WriteLine(response.Headers[HttpResponseHeader.ETag]);
+
                     if (fi.Length != response.ContentLength) // && response.Headers[HttpResponseHeader.ETag] != "0")
                     {
                         StreamWriter sw = new StreamWriter(path+".etag");
@@ -1408,7 +1401,7 @@ namespace ArdupilotMega
                 }
 
                 reader.Close();
-                dataStream.Close();
+                //dataStream.Close();
                 response.Close();
 
                 if (getfile)
diff --git a/Tools/ArdupilotMegaPlanner/Properties/AssemblyInfo.cs b/Tools/ArdupilotMegaPlanner/Properties/AssemblyInfo.cs
index 652a00b471..7c14b2205e 100644
--- a/Tools/ArdupilotMegaPlanner/Properties/AssemblyInfo.cs
+++ b/Tools/ArdupilotMegaPlanner/Properties/AssemblyInfo.cs
@@ -34,5 +34,5 @@ using System.Resources;
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
 [assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.71")]
+[assembly: AssemblyFileVersion("1.0.72")]
 [assembly: NeutralResourcesLanguageAttribute("")]