diff --git a/syncplay/constants.py b/syncplay/constants.py
index caddbaa..c608a97 100644
--- a/syncplay/constants.py
+++ b/syncplay/constants.py
@@ -60,25 +60,25 @@ VLC_MIN_VERSION = "2.0.0"
 VLC_INTERFACE_MIN_VERSION = "0.2.1"
 CONTROLLED_ROOMS_MIN_VERSION = "1.3.0"
 MPC_PATHS = [
-    r"C:\Program Files (x86)\MPC-HC\mpc-hc.exe",
-    r"C:\Program Files\MPC-HC\mpc-hc.exe",
-    r"C:\Program Files\MPC-HC\mpc-hc64.exe",
-    r"C:\Program Files\Media Player Classic - Home Cinema\mpc-hc.exe",
-    r"C:\Program Files\Media Player Classic - Home Cinema\mpc-hc64.exe",
-    r"C:\Program Files (x86)\Media Player Classic - Home Cinema\mpc-hc.exe",
-    r"C:\Program Files (x86)\K-Lite Codec Pack\Media Player Classic\mpc-hc.exe",
-    r"C:\Program Files\K-Lite Codec Pack\Media Player Classic\mpc-hc.exe",
-    r"C:\Program Files (x86)\Combined Community Codec Pack\MPC\mpc-hc.exe",
-    r"C:\Program Files\Combined Community Codec Pack\MPC\mpc-hc.exe",
-    r"C:\Program Files\MPC HomeCinema (x64)\mpc-hc64.exe",
+    r"c:\program files (x86)\mpc-hc\mpc-hc.exe",
+    r"c:\program files\mpc-hc\mpc-hc.exe",
+    r"c:\program files\mpc-hc\mpc-hc64.exe",
+    r"c:\program files\media player classic - home cinema\mpc-hc.exe",
+    r"c:\program files\media player classic - home cinema\mpc-hc64.exe",
+    r"c:\program files (x86)\media player classic - home cinema\mpc-hc.exe",
+    r"c:\program files (x86)\k-lite codec pack\media player classic\mpc-hc.exe",
+    r"c:\program files\k-lite codec pack\media Player classic\mpc-hc.exe",
+    r"c:\program files (x86)\combined community codec pack\mpc\mpc-hc.exe",
+    r"c:\program files\combined community codec pack\mpc\mpc-hc.exe",
+    r"c:\program files\mpc homecinema (x64)\mpc-hc64.exe",
 ]
 MPLAYER_PATHS = ["mplayer2", "mplayer"]
-MPV_PATHS = ["mpv", "/opt/mpv/mpv", r"C:\Program Files\mpv\mpv.exe", r"C:\Program Files\mpv-player\mpv.exe",
-             r"C:\Program Files (x86)\mpv\mpv.exe", r"C:\Program Files (x86)\mpv-player\mpv.exe",
+MPV_PATHS = ["mpv", "/opt/mpv/mpv", r"c:\program files\mpv\mpv.exe", r"c:\program files\mpv-player\mpv.exe",
+             r"c:\program Files (x86)\mpv\mpv.exe", r"c:\program Files (x86)\mpv-player\mpv.exe",
              "/Applications/mpv.app/Contents/MacOS/mpv"]
 VLC_PATHS = [
-    r"C:\Program Files (x86)\VideoLAN\VLC\vlc.exe",
-    r"C:\Program Files\VideoLAN\VLC\vlc.exe",
+    r"c:\program files (x86)\videolan\vlc\vlc.exe",
+    r"c:\program files\videolan\vlc\vlc.exe",
     "/usr/bin/vlc",
     "/usr/bin/vlc-wrapper",
     "/Applications/VLC.app/Contents/MacOS/VLC",
diff --git a/syncplay/ui/GuiConfiguration.py b/syncplay/ui/GuiConfiguration.py
index dc2db7e..8f7df17 100644
--- a/syncplay/ui/GuiConfiguration.py
+++ b/syncplay/ui/GuiConfiguration.py
@@ -77,13 +77,22 @@ class ConfigDialog(QtGui.QDialog):
         if "http://" in path:
             return True
 
+    def safenormcaseandpath(self, path):
+        if self._isURL(path):
+            return path
+        else:
+            return os.path.normcase(os.path.normpath(path))
+
     def _tryToFillPlayerPath(self, playerpath, playerpathlist):
         settings = QSettings("Syncplay", "PlayerList")
         settings.beginGroup("PlayerList")
         savedPlayers = settings.value("PlayerList", [])
         if not isinstance(savedPlayers, list):
             savedPlayers = []
-        playerpathlist = list(set(os.path.normcase(os.path.normpath(path)) for path in set(playerpathlist + savedPlayers)))
+        else:
+            for i, savedPlayer in enumerate(savedPlayers):
+                savedPlayers[i] = self.safenormcaseandpath(savedPlayer)
+        playerpathlist = list(set(playerpathlist + savedPlayers))
         settings.endGroup()
         foundpath = ""
 
@@ -103,9 +112,11 @@ class ConfigDialog(QtGui.QDialog):
                     self.executablepathCombobox.addItem(foundpath)
 
         for path in playerpathlist:
-            if self._isURL(playerpath):
-                foundpath = path
-                self.executablepathCombobox.addItem(path)
+            if self._isURL(path):
+                if foundpath == "":
+                    foundpath = path
+                if path != playerpath:
+                    self.executablepathCombobox.addItem(path)
 
             elif os.path.isfile(path) and os.path.normcase(os.path.normpath(path)) != os.path.normcase(os.path.normpath(foundpath)):
                 self.executablepathCombobox.addItem(path)
@@ -114,12 +125,8 @@ class ConfigDialog(QtGui.QDialog):
 
         if foundpath != "":
             settings.beginGroup("PlayerList")
-            if self._isURL(foundpath):
-                playerpathlist.append(foundpath)
-                settings.setValue("PlayerList", list(set(path) for path in set(playerpathlist)))
-            else:
-                playerpathlist.append(os.path.normcase(os.path.normpath(foundpath)))
-                settings.setValue("PlayerList", list(set(os.path.normcase(os.path.normpath(path)) for path in set(playerpathlist))))
+            playerpathlist.append(self.safenormcaseandpath(foundpath))
+            settings.setValue("PlayerList", list(set(playerpathlist)))
             settings.endGroup()
         return foundpath