diff --git a/PortableTerrariaCommon/PortableTerrariaCommon/SplitOutStream.cs b/PortableTerrariaCommon/PortableTerrariaCommon/SplitOutStream.cs
index 7acfc44..cc6c4f5 100644
--- a/PortableTerrariaCommon/PortableTerrariaCommon/SplitOutStream.cs
+++ b/PortableTerrariaCommon/PortableTerrariaCommon/SplitOutStream.cs
@@ -88,6 +88,7 @@ public override void Write(byte[] buffer, int offset, int count)
         readonly InputStream inputStream;
         readonly OutputStream outputStream;
         readonly Action<Stream> writeDataToStream;
+        readonly Action<Exception> onError;
         readonly int splitSize;
         volatile byte[] buffer;
         volatile int offset;
@@ -100,10 +101,12 @@ public override void Write(byte[] buffer, int offset, int count)
 
         //constructor
         public SplitOutStream(
-            Action<Stream> writeDataToStream, int splitSize)
+            Action<Stream> writeDataToStream, int splitSize,
+            Action<Exception> onError)
         {
             this.writeDataToStream = writeDataToStream;
             this.splitSize = splitSize;
+            this.onError = onError;
             inputStream = new InputStream(this);
             outputStream = new OutputStream(this);
             init();
@@ -120,7 +123,14 @@ void init()
             Task.Run(() =>
             {
                 //multithreaded write stream data
-                writeDataToStream(outputStream);
+                try
+                {
+                    writeDataToStream(outputStream);
+                }
+                catch (Exception e)
+                {
+                    onError(e);
+                }
                 ended = true;
                 lock (objLock)
                 {
diff --git a/PortableTerrariaCreator/PortableTerrariaCreator/PortableTerrariaLauncherCreator.cs b/PortableTerrariaCreator/PortableTerrariaCreator/PortableTerrariaLauncherCreator.cs
index fdc61d8..82765e5 100644
--- a/PortableTerrariaCreator/PortableTerrariaCreator/PortableTerrariaLauncherCreator.cs
+++ b/PortableTerrariaCreator/PortableTerrariaCreator/PortableTerrariaLauncherCreator.cs
@@ -97,6 +97,7 @@ protected override void run()
         void createPTL(Stream stream)
         {
             //edit exe embedded resources
+            Exception err = null;
             using (var exe = GuiHelper.GetResourceStream(
                 "Sahlaysta.PortableTerrariaLauncher.exe"))
             using (var ad = MonoCecilAssembly
@@ -160,7 +161,11 @@ void writeDataToStream(Stream s)
                     {
                         zipTerraria(s);
                     }
-                    var sos = new SplitOutStream(writeDataToStream, splitSize);
+                    void onError(Exception e)
+                    {
+                        err = e;
+                    }
+                    var sos = new SplitOutStream(writeDataToStream, splitSize, onError);
                     for (long i = 0; i < splitCount; i++)
                     {
                         string name = namep + "terraria.zip." + (i + 1).ToString(format);
@@ -194,6 +199,8 @@ void writeDataToStream(Stream s)
                 //write .exe
                 ad.Write(stream);
             }
+            if (err != null)
+                throw err;
         }
         void zipTerraria(Stream stream)
         {
diff --git a/PortableTerrariaCreator/PortableTerrariaCreator/Properties/AssemblyInfo.cs b/PortableTerrariaCreator/PortableTerrariaCreator/Properties/AssemblyInfo.cs
index 90c4d19..4f53546 100644
--- a/PortableTerrariaCreator/PortableTerrariaCreator/Properties/AssemblyInfo.cs
+++ b/PortableTerrariaCreator/PortableTerrariaCreator/Properties/AssemblyInfo.cs
@@ -33,6 +33,6 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("3.1.0.0")]
-[assembly: AssemblyFileVersion("3.1.0.0")]
+[assembly: AssemblyVersion("3.1.1.0")]
+[assembly: AssemblyFileVersion("3.1.1.0")]
 [assembly: NeutralResourcesLanguage("")]
diff --git a/PortableTerrariaLauncher/PortableTerrariaLauncher/Properties/AssemblyInfo.cs b/PortableTerrariaLauncher/PortableTerrariaLauncher/Properties/AssemblyInfo.cs
index aa6bc89..6df3d54 100644
--- a/PortableTerrariaLauncher/PortableTerrariaLauncher/Properties/AssemblyInfo.cs
+++ b/PortableTerrariaLauncher/PortableTerrariaLauncher/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("3.1.0.0")]
-[assembly: AssemblyFileVersion("3.1.0.0")]
+[assembly: AssemblyVersion("3.1.1.0")]
+[assembly: AssemblyFileVersion("3.1.1.0")]
diff --git a/PortableTerrariaLauncher/PortableTerrariaLauncher/bin/Release/Sahlaysta.PortableTerrariaLauncher.exe b/PortableTerrariaLauncher/PortableTerrariaLauncher/bin/Release/Sahlaysta.PortableTerrariaLauncher.exe
index b1180aa..7067479 100644
Binary files a/PortableTerrariaLauncher/PortableTerrariaLauncher/bin/Release/Sahlaysta.PortableTerrariaLauncher.exe and b/PortableTerrariaLauncher/PortableTerrariaLauncher/bin/Release/Sahlaysta.PortableTerrariaLauncher.exe differ