diff --git a/Output/Readme.txt b/Output/Readme.txt
index f90f61ea..d6840537 100644
--- a/Output/Readme.txt
+++ b/Output/Readme.txt
@@ -26,7 +26,7 @@ Supported Operating Systems / Requirements:
 - Windows Vista, Windows 7, Windows 8 or Windows 10 with .NET 4.0
 - Linux (no official support)
 - 1 GHz CPU, 512 MB RAM, Graphics card with OpenGL 2.1 or DirectX 9.0 support
-- Visual C++ Redistributable Package 2010
+- Visual C++ Redistributable Package 2010 (2015-2022 is required for the nightly builds)
 
 
 =================================
diff --git a/README.md b/README.md
index 8c0b75a6..cdc72c1b 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ Supported Operating Systems / Requirements:
 - Windows Vista, Windows 7, Windows 8, Windows 8.1 and Windows 10 with .NET 4.0
 - *Linux* (no official support)
 - 1 GHz CPU, 512 MB RAM, Graphics card with OpenGL 2.1 or DirectX 9.0 support
-- Visual C++ Redistributable Package 2010
+- Visual C++ Redistributable Package 2010 (2015-2022 is required for the nightly builds)
 
 
 ## 2. Download                
diff --git a/Vocaluxe/Screens/CScreenSing.cs b/Vocaluxe/Screens/CScreenSing.cs
index 8e237bdd..1f29a202 100644
--- a/Vocaluxe/Screens/CScreenSing.cs
+++ b/Vocaluxe/Screens/CScreenSing.cs
@@ -328,21 +328,21 @@ namespace Vocaluxe.Screens
                             song.Save();
                         break;
 
-                    // Restart Round and reload song file header
+                    // Restart Song and reload song from disk (not in party modes with multiple rounds)
                     case Keys.R:
-                        if (keyEvent.Mod == EModifier.Ctrl && _Pause)
+                        if (keyEvent.Mod == EModifier.Ctrl && _Pause && CGame.NumRounds == 1)
                         {
+                            _RestartGame();
                             _SetPause(false);
-                            _RestartRound();
                         }
                         break;
 
-                    // Restart Round and reload song file header
+                    // Restart Song and reload song from disk (not in party modes with multiple rounds)
                     case Keys.F5:
-                        if (_Pause)
+                        if (_Pause && CGame.NumRounds == 1)
                         {
+                            _RestartGame();
                             _SetPause(false);
-                            _RestartRound();
                         }
                         break;
 
@@ -430,7 +430,15 @@ namespace Vocaluxe.Screens
             _SetPause(false);
 
             _TimeRects.Clear();
-            _Sso = CParty.GetSongSelectionOptions();
+            try
+            {
+                _Sso = CParty.GetSongSelectionOptions();
+            }
+            catch (ArgumentException)
+            {
+                // Workaround to assume party mode here (TicTacToe party mode throw the ArgumentException) / Stefan1200
+                _Sso.Selection.PartyMode = true;
+            }
 
             _SingNotes[_SingBars].Init(0);
             _AssignPlayerElements();
diff --git a/appveyor.yml b/appveyor.yml
index ae906561..e4635c95 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -9,7 +9,7 @@ platform:
 clone_depth: 15
 environment:
   GitHubKey:
-    secure: sGetWh2XUYs95VBT+QYNPtDW9Rh2/JBuxNNYXytpn7mMudUMcjSKDGErkCTum+ZE
+    secure: jBeNVwHNcDfeTHvEfCFFDZi7FW43xwTbjJhMTHtlQQIvj9t4GaIpif5pzbk24UO1
 init:
 - git config --global core.autocrlf true
 install:
@@ -136,7 +136,7 @@ deploy:
   release: $(APPVEYOR_REPO_TAG_NAME)
   description: $(APPVEYOR_REPO_COMMIT)
   auth_token:
-    secure: sGetWh2XUYs95VBT+QYNPtDW9Rh2/JBuxNNYXytpn7mMudUMcjSKDGErkCTum+ZE
+    secure: jBeNVwHNcDfeTHvEfCFFDZi7FW43xwTbjJhMTHtlQQIvj9t4GaIpif5pzbk24UO1
   artifact: ReleaseZip
   prerelease: $(IS_BETA_RELEASE)
   on:
@@ -148,7 +148,7 @@ deploy:
   release: Latest Nightly build
   description: $(APPVEYOR_REPO_COMMIT)
   auth_token:
-    secure: sGetWh2XUYs95VBT+QYNPtDW9Rh2/JBuxNNYXytpn7mMudUMcjSKDGErkCTum+ZE
+    secure: jBeNVwHNcDfeTHvEfCFFDZi7FW43xwTbjJhMTHtlQQIvj9t4GaIpif5pzbk24UO1
   artifact: ReleaseZip
   prerelease: true
   on: