diff --git a/FrostyEditor/Windows/ModSettingsWindow.xaml b/FrostyEditor/Windows/ModSettingsWindow.xaml
index 287342905..7486f02d0 100644
--- a/FrostyEditor/Windows/ModSettingsWindow.xaml
+++ b/FrostyEditor/Windows/ModSettingsWindow.xaml
@@ -6,8 +6,8 @@
         xmlns:local="clr-namespace:FrostyEditor.Windows"
         xmlns:ctrl="clr-namespace:Frosty.Controls;assembly=FrostyControls"
         mc:Ignorable="d"
-        Title="Export Mod" Height="530" Width="600"
-        ResizeMode="NoResize" WindowStartupLocation="CenterScreen" SnapsToDevicePixels="True">
+        Title="Export Mod" MinHeight="530" Height="530" MinWidth="600" Width="600"
+        WindowStartupLocation="CenterScreen" SnapsToDevicePixels="True">
     
     <Grid Background="{StaticResource WindowBackground}">
         <Grid.RowDefinitions>
@@ -17,28 +17,35 @@
 
         <Grid Background="{StaticResource ListBackground}">
             <DockPanel LastChildFill="True">
-                <Grid Margin="5" DockPanel.Dock="Top">
-                    <Label Content="Please fill out each of the following sections. Only the first section is mandatory." FontFamily="Global User Interface" HorizontalAlignment="Center" VerticalAlignment="Center" FontWeight="Bold" FontSize="14"/>
-                </Grid>
+                <StackPanel Margin="5" DockPanel.Dock="Top">
+                    <Label HorizontalAlignment="Center" VerticalAlignment="Center">
+                        <TextBlock Text="Please fill out each of the following sections. Only the first 4 fields is mandatory."
+                                   FontWeight="Bold" FontSize="14" FontFamily="Global User Interface" TextWrapping="WrapWithOverflow" Foreground="{StaticResource FontColor}"
+                                   HorizontalAlignment="Center" VerticalAlignment="Center"/>
+                    </Label>
+                    <Label x:Name="ErrorMessageLabel" HorizontalAlignment="Center" VerticalAlignment="Center">
+                        <TextBlock Text="Test" TextWrapping="WrapWithOverflow" HorizontalAlignment="Center" VerticalAlignment="Center" Foreground="Red"/>
+                    </Label>
+                </StackPanel>
                 
-                <Border DockPanel.Dock="Top" Background="{StaticResource ControlBackground}" Height="2"/>
+                <Border DockPanel.Dock="Top" Background="{StaticResource ControlBackground}" Height="2" HorizontalAlignment="Stretch"/>
                 
                 <Grid DockPanel.Dock="Top" Margin="5">
                     <StackPanel>
                         <DockPanel LastChildFill="True">
-                            <Label Content="Title " FontFamily="Global User Interface" Width="75"/>
+                            <Label Content="Title" FontFamily="Global User Interface" Width="75"/>
                             <TextBox x:Name="modTitleTextBox" VerticalContentAlignment="Center" Text="Testing" Margin="1" BorderThickness="1"/>
                         </DockPanel>
                         <DockPanel LastChildFill="True">
-                            <Label Content="Author " FontFamily="Global User Interface" Width="75"/>
+                            <Label Content="Author" FontFamily="Global User Interface" Width="75"/>
                             <TextBox x:Name="modAuthorTextBox" VerticalContentAlignment="Center" Text="Testing" Margin="1" BorderThickness="1"/>
                         </DockPanel>
                         <DockPanel LastChildFill="True">
-                            <Label Content="Version " FontFamily="Global User Interface" Width="75"/>
+                            <Label Content="Version" FontFamily="Global User Interface" Width="75"/>
                             <TextBox Grid.Column="1" x:Name="modVersionTextBox" VerticalContentAlignment="Center" Text="Testing" Margin="1" BorderThickness="1"/>
                         </DockPanel>
                         <DockPanel LastChildFill="True">
-                            <Label Content="Category " FontFamily="Global User Interface" Width="75"/>
+                            <Label Content="Category" FontFamily="Global User Interface" Width="75"/>
                             <Grid>
                                 <Grid.ColumnDefinitions>
                                     <ColumnDefinition Width="0.5*"/>
@@ -57,9 +64,8 @@
                 </Grid>
                 
                 <Grid DockPanel.Dock="Top" Margin="5">
-                    <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
-                        <ctrl:FrostyImageButton x:Name="iconImageButton" Title="ICON" OnValidate="FrostyImageButton_OnValidate" Margin="0,0,4,0"/>
-                        <Grid Height="88" Width="88" Margin="0,0,16,0"/>
+                    <ctrl:FrostyImageButton x:Name="iconImageButton" HorizontalAlignment="Left" Title="ICON" OnValidate="FrostyImageButton_OnValidate" Margin="16,0,0,0"/>
+                    <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" Margin="0,0,16,0">
                         <ctrl:FrostyImageButton x:Name="ssImageButton1" Title="IMAGE" OnValidate="FrostyImageButton_OnValidate" Margin="0,0,4,0"/>
                         <ctrl:FrostyImageButton x:Name="ssImageButton2" Title="IMAGE" OnValidate="FrostyImageButton_OnValidate" Margin="0,0,4,0"/>
                         <ctrl:FrostyImageButton x:Name="ssImageButton3" Title="IMAGE" OnValidate="FrostyImageButton_OnValidate" Margin="0,0,4,0"/>
diff --git a/FrostyEditor/Windows/ModSettingsWindow.xaml.cs b/FrostyEditor/Windows/ModSettingsWindow.xaml.cs
index 0cfada3bd..80670137d 100644
--- a/FrostyEditor/Windows/ModSettingsWindow.xaml.cs
+++ b/FrostyEditor/Windows/ModSettingsWindow.xaml.cs
@@ -6,6 +6,7 @@
 using System.Collections.Generic;
 using System;
 using System.Linq;
+using System.Windows.Controls;
 
 namespace FrostyEditor.Windows
 {
@@ -38,6 +39,8 @@ public ModSettingsWindow(FrostyProject inProject = null)
 
         private void ModSettingsWindow_Loaded(object sender, System.Windows.RoutedEventArgs e)
         {
+            ErrorMessageLabel.Visibility = System.Windows.Visibility.Collapsed;
+
             modCategoryComboBox.ItemsSource = categories;
             
             modTitleTextBox.Text = ModSettings.Title;
@@ -72,20 +75,129 @@ private void cancelButton_Click(object sender, System.Windows.RoutedEventArgs e)
 
         private void saveButton_Click(object sender, System.Windows.RoutedEventArgs e)
         {
-            if (modTitleTextBox.Text == "" || modAuthorTextBox.Text == "" || modCategoryTextBox.Text == "" || modVersionTextBox.Text == "")
+            List<string> errors = new List<string>();
+
+            // Check Title
+            if (String.IsNullOrEmpty(modTitleTextBox.Text))
             {
-                FrostyMessageBox.Show("Title, Author, Category and Version are mandatory fields", "Frosty Editor");
-                return;
+                errors.Add("Title is a mandatory field");
+                modTitleTextBox.BorderBrush = System.Windows.Media.Brushes.Red;
+            }
+            else if (modTitleTextBox.Text.Any(c => c > sbyte.MaxValue))
+            {
+                errors.Add("Title can only contain ASCII characters");
+                modTitleTextBox.BorderBrush = System.Windows.Media.Brushes.Red;
+            }
+            else
+            {
+                modTitleTextBox.BorderBrush = (System.Windows.Media.Brush)FindResource("ControlBackground");
+            }
+
+            // Check Author
+            if (String.IsNullOrEmpty(modAuthorTextBox.Text))
+            {
+                errors.Add("Author is a mandatory field");
+                modAuthorTextBox.BorderBrush = System.Windows.Media.Brushes.Red;
+            }
+            else if (modAuthorTextBox.Text.Any(c => c > sbyte.MaxValue))
+            {
+                errors.Add("Author can only contain ASCII characters");
+                modAuthorTextBox.BorderBrush = System.Windows.Media.Brushes.Red;
+            }
+            else
+            {
+                modAuthorTextBox.BorderBrush = (System.Windows.Media.Brush)FindResource("ControlBackground");
+            }
+
+            // Check Category
+            if (String.IsNullOrEmpty(modCategoryTextBox.Text))
+            {
+                errors.Add("Category is a mandatory field");
+                modCategoryTextBox.BorderBrush = System.Windows.Media.Brushes.Red;
+            }
+            else if (modCategoryTextBox.Text.Any(c => c > sbyte.MaxValue))
+            {
+                errors.Add("Category can only contain ASCII characters");
+                modCategoryTextBox.BorderBrush = System.Windows.Media.Brushes.Red;
+            }
+            else
+            {
+                modCategoryTextBox.BorderBrush = (System.Windows.Media.Brush)FindResource("ControlBackground");
+            }
+
+            // Check Version
+            if (String.IsNullOrEmpty(modVersionTextBox.Text))
+            {
+                errors.Add("Version is a mandatory field");
+                modVersionTextBox.BorderBrush = System.Windows.Media.Brushes.Red;
+            }
+            else if (modVersionTextBox.Text.Any(c => c > sbyte.MaxValue))
+            {
+                errors.Add("Version can only contain ASCII characters");
+                modVersionTextBox.BorderBrush = System.Windows.Media.Brushes.Red;
+            }
+            else
+            {
+                modVersionTextBox.BorderBrush = (System.Windows.Media.Brush)FindResource("ControlBackground");
             }
 
+            // Check Link
             string[] approvedDomains = { "nexusmods.com", "moddb.com" };
+            if (!String.IsNullOrEmpty(modPageLinkTextBox.Text))
+            {
+                if (!Uri.IsWellFormedUriString(modPageLinkTextBox.Text, UriKind.RelativeOrAbsolute))
+                {
+                    errors.Add("Link needs to be valid");
+                    modPageLinkTextBox.BorderBrush = System.Windows.Media.Brushes.Red;
+                }
+                else if (!approvedDomains.Any(modPageLinkTextBox.Text.Contains))
+                {
+                    errors.Add("Link needs to be nexusmods.com or moddb.com");
+                    modPageLinkTextBox.BorderBrush = System.Windows.Media.Brushes.Red;
+                }
+                else
+                {
+                    if (Uri.TryCreate(modPageLinkTextBox.Text, UriKind.Absolute, out Uri uriResult))
+                        modPageLinkTextBox.Text = uriResult.AbsoluteUri;
+
+                    if (modPageLinkTextBox.Text.Any(c => c > sbyte.MaxValue))
+                    {
+                        errors.Add("Link can only contain ASCII characters");
+                        modPageLinkTextBox.BorderBrush = System.Windows.Media.Brushes.Red;
+                    }
+                    else
+                    {
+                        modPageLinkTextBox.BorderBrush = (System.Windows.Media.Brush)FindResource("ControlBackground");
+                    }
+                }
+            }
+            else
+            {
+                modPageLinkTextBox.BorderBrush = (System.Windows.Media.Brush)FindResource("ControlBackground");
+            }
+
+            // Check Description
+            if (!String.IsNullOrEmpty(modDescriptionTextBox.Text) &&
+                !modDescriptionTextBox.Text.Any(c => c > sbyte.MaxValue))
+            {
+                errors.Add("Description can only contain ASCII characters");
+                modDescriptionTextBox.BorderBrush = System.Windows.Media.Brushes.Red;
+            }
+            else
+            {
+                modDescriptionTextBox.BorderBrush = (System.Windows.Media.Brush)FindResource("ControlBackground");
+            }
 
-            if (modPageLinkTextBox.Text != "" && (!Uri.IsWellFormedUriString(modPageLinkTextBox.Text, UriKind.RelativeOrAbsolute) || !approvedDomains.Any(modPageLinkTextBox.Text.Contains)))
+            // Check if error exits
+            if (errors.Any())
             {
-                FrostyMessageBox.Show("Link needs to be valid", "Frosty Editor");
+                ErrorMessageLabel.Visibility = System.Windows.Visibility.Visible;
+                (ErrorMessageLabel.Content as TextBlock).Text = String.Join(Environment.NewLine, errors);
                 return;
             }
 
+            ErrorMessageLabel.Visibility = System.Windows.Visibility.Collapsed;
+
             ModSettings.Title = modTitleTextBox.Text;
             ModSettings.Author = modAuthorTextBox.Text;
             ModSettings.Category = modCategoryTextBox.Text;