diff --git a/CreamInstaller/CreamInstaller.csproj b/CreamInstaller/CreamInstaller.csproj
index 372057e..b3cd9af 100644
--- a/CreamInstaller/CreamInstaller.csproj
+++ b/CreamInstaller/CreamInstaller.csproj
@@ -23,11 +23,13 @@
 	<Product>CreamAPI Downloader &amp; Installer</Product>
 	<Authors>pointfeev</Authors>
 	<PackageId>pointfeev.creaminstaller</PackageId>
+	<StartupObject>CreamInstaller.Program</StartupObject>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
     <DebugType>embedded</DebugType>
     <DebugSymbols>true</DebugSymbols>
+    <DefineConstants>TRACE</DefineConstants>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/CreamInstaller/CustomMessageException.cs b/CreamInstaller/CustomMessageException.cs
new file mode 100644
index 0000000..d42b3b4
--- /dev/null
+++ b/CreamInstaller/CustomMessageException.cs
@@ -0,0 +1,17 @@
+using System;
+
+namespace CreamInstaller
+{
+    public class CustomMessageException : Exception
+    {
+        private string message;
+        public override string Message => message ?? "CustomMessageException";
+
+        public override string ToString() => Message;
+
+        public CustomMessageException(string message)
+        {
+            this.message = message;
+        }
+    }
+}
\ No newline at end of file
diff --git a/CreamInstaller/InstallForm.cs b/CreamInstaller/InstallForm.cs
index 76bdfd3..b711307 100644
--- a/CreamInstaller/InstallForm.cs
+++ b/CreamInstaller/InstallForm.cs
@@ -10,19 +10,6 @@ using System.Windows.Forms;
 
 namespace CreamInstaller
 {
-    public class CustomMessageException : Exception
-    {
-        private string message;
-        public override string Message => message ?? "CustomMessageException";
-
-        public override string ToString() => Message;
-
-        public CustomMessageException(string message)
-        {
-            this.message = message;
-        }
-    }
-
     public partial class InstallForm : Form
     {
         public bool Reselecting = false;