diff --git a/dotnet/src/dotnetframework/GxClasses/Domain/GXFileIO.cs b/dotnet/src/dotnetframework/GxClasses/Domain/GXFileIO.cs
index d902231d7..8abbd48d3 100644
--- a/dotnet/src/dotnetframework/GxClasses/Domain/GXFileIO.cs
+++ b/dotnet/src/dotnetframework/GxClasses/Domain/GXFileIO.cs
@@ -223,6 +223,7 @@ public void MoveTo(string desDirName)
 }
 public class GxFileInfo : IGxFileInfo
 {
+	private static readonly ILog log = log4net.LogManager.GetLogger(typeof(GxFileInfo));
     FileInfo _file;
     string _baseDirectory;
 
@@ -309,10 +310,16 @@ public string Separator
     public IGxFileInfo CopyTo(string filename, bool overwrite)
     {
         filename = FileUtil.NormalizeSource(filename, _baseDirectory);
-
-		FileInfo targetFile = new FileInfo(filename);
-		if (!targetFile.Directory.Exists)
-			targetFile.Directory.Create();
+		try
+		{
+			FileInfo targetFile = new FileInfo(filename);
+			if (targetFile.Directory!=null && !targetFile.Directory.Exists)
+				targetFile.Directory.Create();
+		}
+		catch (Exception ex)
+		{
+			GXLogging.Error(log, ex, "Error creating target directory for ", filename);
+		}
 
 		return new GxFileInfo(_file.CopyTo(filename, overwrite));
     }
diff --git a/dotnet/test/DotNetCoreUnitTest/DotNetCoreUnitTest.csproj b/dotnet/test/DotNetCoreUnitTest/DotNetCoreUnitTest.csproj
index e532e5ef2..f4299cd46 100644
--- a/dotnet/test/DotNetCoreUnitTest/DotNetCoreUnitTest.csproj
+++ b/dotnet/test/DotNetCoreUnitTest/DotNetCoreUnitTest.csproj
@@ -12,7 +12,7 @@
 	</PropertyGroup>
 	<ItemGroup>		
 	    <Compile Include="..\DotNetUnitTest\ConfigMappings\ConfigTest.cs" Link="ConfigMappings\ConfigTest.cs" />		
-	    <Compile Include="..\DotNetUnitTest\FileIO\DfrgFunctions.cs" Link="FileIO\DfrgFunctions.cs" />
+	    <Compile Include="..\DotNetUnitTest\FileIO\DfrgFunctions.cs" Link="FileIO\DfrgFunctions.cs" />		
 		<Compile Include="..\DotNetUnitTest\FileIO\Xslt.cs" Link="FileIO\Xslt.cs" />
 		<Compile Include="..\DotNetUnitTest\ExternalProvider\ExternalProviderS3Test.cs" Link="ExternalProvider\ExternalProviderS3Test.cs" />		
 		<Compile Include="..\DotNetUnitTest\ExternalProvider\ExternalProviderS3PrivateTest.cs" Link="ExternalProvider\ExternalProviderS3PrivateTest.cs" />		
diff --git a/dotnet/test/DotNetUnitTest/FileIO/FileIOTests.cs b/dotnet/test/DotNetUnitTest/FileIO/FileIOTests.cs
index aec3fe67f..42d3f835f 100644
--- a/dotnet/test/DotNetUnitTest/FileIO/FileIOTests.cs
+++ b/dotnet/test/DotNetUnitTest/FileIO/FileIOTests.cs
@@ -13,6 +13,16 @@ public FileIOTests()
 			Config.ConfigFileName = "client.exe.config";
 		}
 		[Fact]
+		public void FileSharedToCopy()
+		{
+			string target = @"\\192.168.86.3\printer";
+			GxFile f = new GxFile();
+			f.Source = "Document.txt";
+			f.Copy(target);
+			Assert.Equal(-1, f.ErrCode);
+			Assert.NotEqual(new NullReferenceException().Message, f.ErrDescription);
+		}
+		[Fact]
 		public void FileSourceTest()
 		{
 			GxFileInfo fi = new GxFileInfo(string.Empty);
diff --git a/dotnet/test/DotNetUnitTest/PDF/apdfbasictest.cs b/dotnet/test/DotNetUnitTest/PDF/apdfbasictest.cs
index f9817d286..066e57c81 100644
--- a/dotnet/test/DotNetUnitTest/PDF/apdfbasictest.cs
+++ b/dotnet/test/DotNetUnitTest/PDF/apdfbasictest.cs
@@ -75,7 +75,7 @@ void executePrivate( )
             getPrinter().GxDrawText("Name", 183, Gx_line+83, 283, Gx_line+101, 0, 0, 0, 0) ;
             getPrinter().GxDrawBitMap("lamp.png", 411, Gx_line+33, 619, Gx_line+241) ;
             getPrinter().GxAttris("Microsoft Sans Serif", 8, false, false, false, false, 0, 0, 0, 0, 0, 255, 255, 255) ;
-            getPrinter().GxDrawText(StringUtil.RTrim( context.localUtil.Format( AV8htmlvar, "")), 22, Gx_line+122, 400, Gx_line+178, 0, 1, 0, 0) ;
+            getPrinter().GxDrawText(StringUtil.RTrim( AV8htmlvar), 22, Gx_line+122, 400, Gx_line+178, 0, 1, 0, 0) ;
             Gx_OldLine = Gx_line;
             Gx_line = (int)(Gx_line+193);
             /* Print footer for last page */