diff --git a/src/NzbDrone.Automation.Test/AutomationTest.cs b/src/NzbDrone.Automation.Test/AutomationTest.cs
index 9f493d824..0e0fea564 100644
--- a/src/NzbDrone.Automation.Test/AutomationTest.cs
+++ b/src/NzbDrone.Automation.Test/AutomationTest.cs
@@ -40,7 +40,7 @@ public void SmokeTestSetup()
             _runner.KillAll();
             _runner.Start();
 
-            driver.Url = "http://localhost:8989";
+            driver.Url = "http://localhost:7878";
 
             var page = new PageBase(driver);
             page.WaitForNoSpinner();
diff --git a/src/NzbDrone.Common.Test/ConfigFileProviderTest.cs b/src/NzbDrone.Common.Test/ConfigFileProviderTest.cs
index 92df06ded..7d0e0442f 100644
--- a/src/NzbDrone.Common.Test/ConfigFileProviderTest.cs
+++ b/src/NzbDrone.Common.Test/ConfigFileProviderTest.cs
@@ -49,7 +49,7 @@ protected void WithMockConfigFile(string configFile)
         public void GetValue_Success()
         {
             const string key = "Port";
-            const string value = "8989";
+            const string value = "7878";
 
             var result = Subject.GetValue(key, value);
 
@@ -60,7 +60,7 @@ public void GetValue_Success()
         public void GetInt_Success()
         {
             const string key = "Port";
-            const int value = 8989;
+            const int value = 7878;
 
 
             var result = Subject.GetValueInt(key, value);
@@ -95,7 +95,7 @@ public void GetLaunchBrowser_Success()
         [Test]
         public void GetPort_Success()
         {
-            const int value = 8989;
+            const int value = 7878;
 
 
             var result = Subject.Port;
diff --git a/src/NzbDrone.Console/ConsoleApp.cs b/src/NzbDrone.Console/ConsoleApp.cs
index 6f935887f..8740b4298 100644
--- a/src/NzbDrone.Console/ConsoleApp.cs
+++ b/src/NzbDrone.Console/ConsoleApp.cs
@@ -23,7 +23,7 @@ public static void Main(string[] args)
             {
                 System.Console.WriteLine("");
                 System.Console.WriteLine("");
-                Logger.Fatal(exception.Message + ". This can happen if another instance of Sonarr is already running another application is using the same port (default: 8989) or the user has insufficient permissions");
+                Logger.Fatal(exception.Message + ". This can happen if another instance of Sonarr is already running another application is using the same port (default: 7878) or the user has insufficient permissions");
                 System.Console.WriteLine("Press enter to exit...");
                 System.Console.ReadLine();
                 Environment.Exit(1);
diff --git a/src/NzbDrone.Core/Configuration/ConfigFileProvider.cs b/src/NzbDrone.Core/Configuration/ConfigFileProvider.cs
index fa6d8a914..fc429c91b 100644
--- a/src/NzbDrone.Core/Configuration/ConfigFileProvider.cs
+++ b/src/NzbDrone.Core/Configuration/ConfigFileProvider.cs
@@ -133,7 +133,7 @@ public string BindAddress
             }
         }
 
-        public int Port => GetValueInt("Port", 8989);
+        public int Port => GetValueInt("Port", 7878);
 
         public int SslPort => GetValueInt("SslPort", 9898);
 
diff --git a/src/NzbDrone.Host/SingleInstancePolicy.cs b/src/NzbDrone.Host/SingleInstancePolicy.cs
index 75b8bb13e..18de28fb1 100644
--- a/src/NzbDrone.Host/SingleInstancePolicy.cs
+++ b/src/NzbDrone.Host/SingleInstancePolicy.cs
@@ -31,9 +31,9 @@ public void PreventStartIfAlreadyRunning()
         {
             if (IsAlreadyRunning())
             {
-                _logger.Warn("Another instance of Sonarr is already running.");
+                _logger.Warn("Another instance of Sonarr or Radarr is already running.");
                 _browserService.LaunchWebUI();
-                throw new TerminateApplicationException("Another instance is already running");
+                //throw new TerminateApplicationException("Another instance is already running"); TODO: detect only radarr
             }
         }
 
diff --git a/src/NzbDrone.Integration.Test/IntegrationTest.cs b/src/NzbDrone.Integration.Test/IntegrationTest.cs
index bd36562c8..94defd951 100644
--- a/src/NzbDrone.Integration.Test/IntegrationTest.cs
+++ b/src/NzbDrone.Integration.Test/IntegrationTest.cs
@@ -10,7 +10,7 @@ public abstract class IntegrationTest : IntegrationTestBase
 
         public override string SeriesRootFolder => GetTempDirectory("SeriesRootFolder");
 
-        protected override string RootUrl => "http://localhost:8989/";
+        protected override string RootUrl => "http://localhost:7878/";
 
         protected override string ApiKey => _runner.ApiKey;
 
diff --git a/src/NzbDrone.Integration.Test/IntegrationTestBase.cs b/src/NzbDrone.Integration.Test/IntegrationTestBase.cs
index cf6593d04..e8be666bf 100644
--- a/src/NzbDrone.Integration.Test/IntegrationTestBase.cs
+++ b/src/NzbDrone.Integration.Test/IntegrationTestBase.cs
@@ -159,7 +159,7 @@ public string GetTempDirectory(params string[] args)
         protected void ConnectSignalR()
         {
             _signalRReceived = new List<SignalRMessage>();
-            _signalrConnection = new Connection("http://localhost:8989/signalr");
+            _signalrConnection = new Connection("http://localhost:7878/signalr");
             _signalrConnection.Start(new LongPollingTransport()).ContinueWith(task =>
             {
                 if (task.IsFaulted)
diff --git a/src/NzbDrone.Test.Common/NzbDroneRunner.cs b/src/NzbDrone.Test.Common/NzbDroneRunner.cs
index 2f1d8e3f5..87f3f49e9 100644
--- a/src/NzbDrone.Test.Common/NzbDroneRunner.cs
+++ b/src/NzbDrone.Test.Common/NzbDroneRunner.cs
@@ -22,10 +22,10 @@ public class NzbDroneRunner
         public string AppData { get; private set; }
         public string ApiKey { get; private set; }
 
-        public NzbDroneRunner(Logger logger, int port = 8989)
+        public NzbDroneRunner(Logger logger, int port = 7878)
         {
             _processProvider = new ProcessProvider(logger);
-            _restClient = new RestClient("http://localhost:8989/api");
+            _restClient = new RestClient("http://localhost:7878/api");
         }
 
         public void Start()