diff --git a/.gitignore b/.gitignore
index 7909218..d62abe9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 obj
 Debug
 Release
+Builds
 *.ncb
 *.suo
 *.user
diff --git a/CustomDevice/CustomDevice.csproj b/CustomDevice/CustomDevice.csproj
index 29139a9..55c0ecc 100644
--- a/CustomDevice/CustomDevice.csproj
+++ b/CustomDevice/CustomDevice.csproj
@@ -104,6 +104,6 @@
   </Target>
   -->
   <PropertyGroup>
-    <PostBuildEvent>copy $(TargetPath) $(SolutionDir)\Builds\$(ConfigurationName)\</PostBuildEvent>
+    <PostBuildEvent>xcopy $(TargetPath) $(SolutionDir)Builds\$(ConfigurationName)\ /Y</PostBuildEvent>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/CustomDevice/Utils.cs b/CustomDevice/Utils.cs
index 60b23be..43e5075 100644
--- a/CustomDevice/Utils.cs
+++ b/CustomDevice/Utils.cs
@@ -25,14 +25,14 @@
 namespace CustomDevice {
 	static class Utils {
 
-		private static bool isInterNet2, isInterNet2Set = false;
+		private static bool isDNA, isDNASet = false;
 		public static bool IsInterNet2 {
 			get {
-				if (!isInterNet2Set) {
-					isInterNet2 = Environment.OSVersion.VersionString.EndsWith("(InterNet2)");
-					isInterNet2Set = true;
+				if (!isDNASet) {
+					isDNA = Environment.OSVersion.VersionString.EndsWith("(DNA)");
+					isDNASet = true;
 				}
-				return isInterNet2;
+				return isDNA;
 			}
 		}
 
diff --git a/Snake/Program.cs b/Snake/Program.cs
index ccad090..6144a8f 100644
--- a/Snake/Program.cs
+++ b/Snake/Program.cs
@@ -97,7 +97,7 @@
 				}
 				r = rnd.Next(1000);
 				if (r < 20) {
-					snakePit.AddObsticle();
+					snakePit.AddObstacle();
 				}
 			}
 			snakePit.Msg(crashType.ToString());
diff --git a/Snake/Snake.csproj b/Snake/Snake.csproj
index b87f9ba..e85fdd1 100644
--- a/Snake/Snake.csproj
+++ b/Snake/Snake.csproj
@@ -107,6 +107,6 @@
   </Target>
   -->
   <PropertyGroup>
-    <PostBuildEvent>copy $(TargetPath) $(SolutionDir)\Builds\$(ConfigurationName)\</PostBuildEvent>
+    <PostBuildEvent>xcopy $(TargetPath) $(SolutionDir)Builds\$(ConfigurationName)\ /Y</PostBuildEvent>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Snake/SnakePit.cs b/Snake/SnakePit.cs
index a6335f5..ff4b55f 100644
--- a/Snake/SnakePit.cs
+++ b/Snake/SnakePit.cs
@@ -248,7 +248,7 @@
 			return Math.Max(Math.Abs(dx), Math.Abs(dy));
 		}
 
-		public void AddObsticle() {
+		public void AddObstacle() {
 			Point[] obs;
 			for (; ; ) {
 				int x = this.rnd.Next(this.numCellsX - 1);
diff --git a/System.Core/System.Core.csproj b/System.Core/System.Core.csproj
index 6459609..649c280 100644
--- a/System.Core/System.Core.csproj
+++ b/System.Core/System.Core.csproj
@@ -59,7 +59,7 @@
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
-    <PostBuildEvent>copy $(TargetPath) $(SolutionDir)\Builds\$(ConfigurationName)\</PostBuildEvent>
+    <PostBuildEvent>xcopy $(TargetPath) $(SolutionDir)Builds\$(ConfigurationName)\ /Y</PostBuildEvent>
   </PropertyGroup>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/System.Drawing/System.Drawing.csproj b/System.Drawing/System.Drawing.csproj
index a719dae..ece8dde 100644
--- a/System.Drawing/System.Drawing.csproj
+++ b/System.Drawing/System.Drawing.csproj
@@ -132,6 +132,6 @@
   </Target>
   -->
   <PropertyGroup>
-    <PostBuildEvent>copy $(TargetPath) $(SolutionDir)\Builds\$(ConfigurationName)\</PostBuildEvent>
+    <PostBuildEvent>xcopy $(TargetPath) $(SolutionDir)Builds\$(ConfigurationName)\ /Y</PostBuildEvent>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/System/System.csproj b/System/System.csproj
index e4a7892..041c59f 100644
--- a/System/System.csproj
+++ b/System/System.csproj
@@ -121,6 +121,6 @@
   </Target>
   -->
   <PropertyGroup>
-    <PostBuildEvent>copy $(TargetPath) $(SolutionDir)\Builds\$(ConfigurationName)\</PostBuildEvent>
+    <PostBuildEvent>xcopy $(TargetPath) $(SolutionDir)Builds\$(ConfigurationName)\ /Y</PostBuildEvent>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/corlib/System/OperatingSystem.cs b/corlib/System/OperatingSystem.cs
index 642603a..e446c94 100644
--- a/corlib/System/OperatingSystem.cs
+++ b/corlib/System/OperatingSystem.cs
@@ -82,7 +82,7 @@
 					break;
 			}
 
-			return str + " " + this.version.ToString() + " (InterNet2)";
+			return str + " " + this.version.ToString() + " (DNA)";
 		}
 
 		#region ICloneable Members
diff --git a/corlib/corlib.csproj b/corlib/corlib.csproj
index 21a5a33..0f58710 100644
--- a/corlib/corlib.csproj
+++ b/corlib/corlib.csproj
@@ -283,6 +283,6 @@
   </Target>
   -->
   <PropertyGroup>
-    <PostBuildEvent>copy $(TargetPath) $(SolutionDir)\Builds\$(ConfigurationName)\</PostBuildEvent>
+    <PostBuildEvent>xcopy $(TargetPath) $(SolutionDir)Builds\$(ConfigurationName)\ /Y</PostBuildEvent>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/libIGraph/BitmapLoader.c b/libIGraph/BitmapLoader.c
index 8df3712..61395ae 100644
--- a/libIGraph/BitmapLoader.c
+++ b/libIGraph/BitmapLoader.c
@@ -635,7 +635,6 @@
 		// It's a bmp file
 		printf("BMP\n");
 		pBmp = LoadBMP(pFile, pWidth, pHeight, pPixelFormat);
-	printf("1\n");
 	}
 	else
 	if (pFile[0] == 'G' && pFile[1] == 'I' && pFile[2] == 'F') {
@@ -647,10 +646,8 @@
 		// It's a JPEG file
 		pBmp = LoadJPEG(pFile, fileSize, pWidth, pHeight, pPixelFormat);
 	}
-	printf("2\n");
 
 	free(pFile);
-	printf("3\n");
 
 	return pBmp;
 }