diff --git a/src/ARKServerManager/Globalization/en-US/en-US.xaml b/src/ARKServerManager/Globalization/en-US/en-US.xaml
index 41f0a832..90044820 100644
--- a/src/ARKServerManager/Globalization/en-US/en-US.xaml
+++ b/src/ARKServerManager/Globalization/en-US/en-US.xaml
@@ -915,6 +915,7 @@
     <sys:String x:Key="MainWindow_SteamCmd_Label">If you proceed the entire SteamCMD folder will be removed including all mod cache downloads.\r\nAre you sure you want to reinstall SteamCMD?</sys:String>
     <sys:String x:Key="MainWindow_SteamCmd_FailedTitle">Reinstall SteamCMD Error</sys:String>
     <sys:String x:Key="MainWindow_SteamCmd_FailedLabel">An error occured while trying to reinstall SteamCMD. This has left SteamCmd in an unstable state, try reinstalling again or please report this.\r\nException: {0}</sys:String>
+	<sys:String x:Key="MainWindow_SteamWebApiKeyMissingLabel">Steam WebAPI Key missing! Updates, downloads and installation of profiles could fail. Enter your Steam WebApiKey in the global settings</sys:String>
 
     <sys:String x:Key="MainWindow_DiscordBot_RunningCommandsTitle">Discord Bot Running Commands</sys:String>
     <sys:String x:Key="MainWindow_DiscordBot_RunningCommandsLabel">The discord bot has one or more running commands, do you want to continue shutting down the server manager?</sys:String>
diff --git a/src/ARKServerManager/Styles/Default.xaml b/src/ARKServerManager/Styles/Default.xaml
index c5bebb68..1e6cbf56 100644
--- a/src/ARKServerManager/Styles/Default.xaml
+++ b/src/ARKServerManager/Styles/Default.xaml
@@ -25,6 +25,8 @@
     <cc:SecondsToHoursConverter x:Key="SecondsToHoursConverter"/>
     <cc:SecondsToMinutesConverter x:Key="SecondsToMinutesConverter"/>
     <cc:SecondsToTimeValueConverter x:Key="SecondsToTimeValueConverter"/>
+    <cc:StringNullOrEmptyToVisibilityConverter x:Key="StringNullOrEmptyToVisibilityConverter"/>
+    <cc:InvertStringNullOrEmptyToVisibilityConverter x:Key="InvertStringNullOrEmptyToVisibilityConverter"/>
 
     <SolidColorBrush x:Key="BeigeBorder" Color="#FFD8CCBC"/>
     <SolidColorBrush x:Key="BeigeLabel" Color="#FFE6DFD8"/>
diff --git a/src/ARKServerManager/Windows/MainWindow.xaml b/src/ARKServerManager/Windows/MainWindow.xaml
index 880bb2f0..42a02f37 100644
--- a/src/ARKServerManager/Windows/MainWindow.xaml
+++ b/src/ARKServerManager/Windows/MainWindow.xaml
@@ -43,6 +43,10 @@
                         </Style>
                     </DockPanel.Style>
 
+                    <Grid DockPanel.Dock="Top" Background="Red" Visibility="{Binding CommonConfig.SteamAPIKey, Converter={StaticResource InvertStringNullOrEmptyToVisibilityConverter}}">
+                        <TextBlock Text="{DynamicResource MainWindow_SteamWebApiKeyMissingLabel}" Margin="0,5,0,5" HorizontalAlignment="Center" Foreground="White"/>
+                    </Grid>
+
                     <Grid DockPanel.Dock="Left">
                         <Grid.RowDefinitions>
                             <RowDefinition/>
diff --git a/src/ARKServerManager/Windows/MainWindow.xaml.cs b/src/ARKServerManager/Windows/MainWindow.xaml.cs
index 5a29752b..5f232bab 100644
--- a/src/ARKServerManager/Windows/MainWindow.xaml.cs
+++ b/src/ARKServerManager/Windows/MainWindow.xaml.cs
@@ -1,5 +1,6 @@
 using EO.Wpf;
 using NLog;
+using ServerManagerTool.Common;
 using ServerManagerTool.Common.Enums;
 using ServerManagerTool.Common.Lib;
 using ServerManagerTool.Common.Utils;
@@ -35,6 +36,7 @@ namespace ServerManagerTool
 
         public static readonly DependencyProperty AppInstanceProperty = DependencyProperty.Register(nameof(AppInstance), typeof(App), typeof(MainWindow), new PropertyMetadata(null));
         public static readonly DependencyProperty ConfigProperty = DependencyProperty.Register(nameof(Config), typeof(Config), typeof(MainWindow), new PropertyMetadata(null));
+        public static readonly DependencyProperty CommonConfigProperty = DependencyProperty.Register(nameof(CommonConfig), typeof(CommonConfig), typeof(MainWindow), new PropertyMetadata(null));
         public static readonly DependencyProperty ServerManagerProperty = DependencyProperty.Register(nameof(ServerManager), typeof(ServerManager), typeof(MainWindow), new PropertyMetadata(null));
         public static readonly DependencyProperty AutoBackupStateProperty = DependencyProperty.Register(nameof(AutoBackupState), typeof(Microsoft.Win32.TaskScheduler.TaskState), typeof(MainWindow), new PropertyMetadata(Microsoft.Win32.TaskScheduler.TaskState.Unknown));
         public static readonly DependencyProperty AutoBackupStateStringProperty = DependencyProperty.Register(nameof(AutoBackupStateString), typeof(string), typeof(MainWindow), new PropertyMetadata(string.Empty));
@@ -52,6 +54,7 @@ namespace ServerManagerTool
         {
             this.AppInstance = App.Instance;
             this.Config = Config.Default;
+            this.CommonConfig = CommonConfig.Default;
 
             InitializeComponent();
             WindowUtils.RemoveDefaultResourceDictionary(this, Config.Default.DefaultGlobalizationFile);
@@ -102,6 +105,12 @@ namespace ServerManagerTool
             set { SetValue(ConfigProperty, value); }
         }
 
+        public CommonConfig CommonConfig
+        {
+            get { return GetValue(CommonConfigProperty) as CommonConfig; }
+            set { SetValue(CommonConfigProperty, value); }
+        }
+
         public ServerManager ServerManager
         {
             get { return (ServerManager)GetValue(ServerManagerProperty); }
diff --git a/src/ConanServerManager/Globalization/en-US/en-US.xaml b/src/ConanServerManager/Globalization/en-US/en-US.xaml
index 4504a934..132884a3 100644
--- a/src/ConanServerManager/Globalization/en-US/en-US.xaml
+++ b/src/ConanServerManager/Globalization/en-US/en-US.xaml
@@ -696,6 +696,7 @@
     <sys:String x:Key="MainWindow_SteamCmd_Label">If you proceed the entire SteamCMD folder will be removed including all mod cache downloads.\r\nAre you sure you want to reinstall SteamCMD?</sys:String>
     <sys:String x:Key="MainWindow_SteamCmd_FailedTitle">Reinstall SteamCMD Error</sys:String>
     <sys:String x:Key="MainWindow_SteamCmd_FailedLabel">An error occured while trying to reinstall SteamCMD. This has left SteamCmd in an unstable state, try reinstalling again or please report this.\r\nException: {0}</sys:String>
+	<sys:String x:Key="MainWindow_SteamWebApiKeyMissingLabel">Steam WebAPI Key missing! Updates, downloads and installation of profiles could fail. Enter your Steam WebApiKey in the global settings</sys:String>
 
     <sys:String x:Key="MainWindow_DiscordBot_RunningCommandsTitle">Discord Bot Running Commands</sys:String>
     <sys:String x:Key="MainWindow_DiscordBot_RunningCommandsLabel">The discord bot has one or more running commands, do you want to continue shutting down the server manager?</sys:String>
diff --git a/src/ConanServerManager/Styles/Default.xaml b/src/ConanServerManager/Styles/Default.xaml
index 62d5c42a..4d98998e 100644
--- a/src/ConanServerManager/Styles/Default.xaml
+++ b/src/ConanServerManager/Styles/Default.xaml
@@ -24,6 +24,8 @@
     <cc:SecondsToMinutesConverter x:Key="SecondsToMinutesConverter"/>
     <cc:SecondsToTimeValueConverter x:Key="SecondsToTimeValueConverter"/>
     <cc:UnixTimeToDateTimeConverter x:Key="UnixTimeToDateTimeConverter"/>
+    <cc:StringNullOrEmptyToVisibilityConverter x:Key="StringNullOrEmptyToVisibilityConverter"/>
+    <cc:InvertStringNullOrEmptyToVisibilityConverter x:Key="InvertStringNullOrEmptyToVisibilityConverter"/>
 
     <SolidColorBrush x:Key="BeigeBorder" Color="#FFD8CCBC"/>
     <SolidColorBrush x:Key="BeigeLabel" Color="#FFE6DFD8"/>
diff --git a/src/ConanServerManager/Windows/MainWindow.xaml.cs b/src/ConanServerManager/Windows/MainWindow.xaml.cs
index d9ec8a10..56b28f8a 100644
--- a/src/ConanServerManager/Windows/MainWindow.xaml.cs
+++ b/src/ConanServerManager/Windows/MainWindow.xaml.cs
@@ -1,5 +1,6 @@
 using EO.Wpf;
 using NLog;
+using ServerManagerTool.Common;
 using ServerManagerTool.Common.Enums;
 using ServerManagerTool.Common.Lib;
 using ServerManagerTool.Common.Utils;
@@ -35,6 +36,7 @@ namespace ServerManagerTool
 
         public static readonly DependencyProperty AppInstanceProperty = DependencyProperty.Register(nameof(AppInstance), typeof(App), typeof(MainWindow), new PropertyMetadata(null));
         public static readonly DependencyProperty ConfigProperty = DependencyProperty.Register(nameof(Config), typeof(Config), typeof(MainWindow), new PropertyMetadata(null));
+        public static readonly DependencyProperty CommonConfigProperty = DependencyProperty.Register(nameof(CommonConfig), typeof(CommonConfig), typeof(MainWindow), new PropertyMetadata(null));
         public static readonly DependencyProperty ServerManagerProperty = DependencyProperty.Register(nameof(ServerManager), typeof(ServerManager), typeof(MainWindow), new PropertyMetadata(null));
         public static readonly DependencyProperty AutoBackupStateProperty = DependencyProperty.Register(nameof(AutoBackupState), typeof(Microsoft.Win32.TaskScheduler.TaskState), typeof(MainWindow), new PropertyMetadata(Microsoft.Win32.TaskScheduler.TaskState.Unknown));
         public static readonly DependencyProperty AutoBackupStateStringProperty = DependencyProperty.Register(nameof(AutoBackupStateString), typeof(string), typeof(MainWindow), new PropertyMetadata(string.Empty));
@@ -52,6 +54,7 @@ namespace ServerManagerTool
         {
             this.AppInstance = App.Instance;
             this.Config = Config.Default;
+            this.CommonConfig = CommonConfig.Default;
 
             InitializeComponent();
             WindowUtils.RemoveDefaultResourceDictionary(this, Config.Default.DefaultGlobalizationFile);
@@ -102,6 +105,12 @@ namespace ServerManagerTool
             set { SetValue(ConfigProperty, value); }
         }
 
+        public CommonConfig CommonConfig
+        {
+            get { return GetValue(CommonConfigProperty) as CommonConfig; }
+            set { SetValue(CommonConfigProperty, value); }
+        }
+
         public ServerManager ServerManager
         {
             get { return (ServerManager)GetValue(ServerManagerProperty); }
diff --git a/src/ServerManager.Common/Converters/InvertStringNullOrEmptyToVisibilityConverter.cs b/src/ServerManager.Common/Converters/InvertStringNullOrEmptyToVisibilityConverter.cs
new file mode 100644
index 00000000..74ed7904
--- /dev/null
+++ b/src/ServerManager.Common/Converters/InvertStringNullOrEmptyToVisibilityConverter.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Globalization;
+using System.Windows;
+using System.Windows.Data;
+
+namespace ServerManagerTool.Common.Converters
+{
+    public class InvertStringNullOrEmptyToVisibilityConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return string.IsNullOrEmpty(value as string) ? Visibility.Visible : Visibility.Collapsed;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotSupportedException("InvertStringNullOrEmptyToVisibilityConverter is a OneWay converter.");
+        }
+    }
+}
diff --git a/src/ServerManager.Common/Converters/StringNullOrEmptyToVisibilityConverter.cs b/src/ServerManager.Common/Converters/StringNullOrEmptyToVisibilityConverter.cs
new file mode 100644
index 00000000..2fc756c6
--- /dev/null
+++ b/src/ServerManager.Common/Converters/StringNullOrEmptyToVisibilityConverter.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Globalization;
+using System.Windows;
+using System.Windows.Data;
+
+namespace ServerManagerTool.Common.Converters
+{
+    public class StringNullOrEmptyToVisibilityConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return string.IsNullOrEmpty(value as string) ? Visibility.Collapsed : Visibility.Visible;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotSupportedException("StringNullOrEmptyToVisibilityConverter is a OneWay converter.");
+        }
+    }
+}