Fixes for the key strokes.

ScreenToGif/Util/SimpleKeyGesture.cs

 using System;
 using System.ComponentModel;
+using System.Diagnostics;
 using System.Globalization;
 using System.Runtime.Serialization;
 using System.Windows.Input;
@@ -63,8 +64,13 @@ namespace ScreenToGif.Util
         /// <paramref name="modifiers" /> is not a valid <see cref="T:System.Windows.Input.ModifierKeys" />-or-<paramref name="key" /> is not a valid <see cref="T:System.Windows.Input.Key" />.</exception>
         /// <exception cref="T:System.NotSupportedException">
         /// <paramref name="key" /> and <paramref name="modifiers" /> do not form a valid <see cref="T:System.Windows.Input.KeyGesture" />.</exception>
-        public SimpleKeyGesture(Key key, ModifierKeys modifiers, bool isUppercase = false) : this(key, modifiers, string.Empty, isUppercase)
-        { }
+        public SimpleKeyGesture(Key key, ModifierKeys modifiers, bool isUppercase = false) : this(key, modifiers,
+            string.Empty, isUppercase)
+        {
+            //Remove the modifier key, if it's the same as the detected pressend key.
+            if (key == Key.LeftCtrl || key == Key.LeftShift || key == Key.LeftAlt || key == Key.LWin || key == Key.RightCtrl || key == Key.RightShift || key == Key.RightAlt || key == Key.RWin)
+                Modifiers = ModifierKeys.None;
+        }
 
         /// <summary>Initializes a new instance of the <see cref="T:System.Windows.Input.KeyGesture" /> class with the specified <see cref="T:System.Windows.Input.Key" />, <see cref="T:System.Windows.Input.ModifierKeys" />, and display string.</summary>
         /// <param name="key">The key associated with the gesture.</param>

ScreenToGif/Windows/Editor.xaml.cs

@@ -5193,17 +5193,22 @@ namespace ScreenToGif.Windows
                 var render = Dispatcher.Invoke(() =>
                 {
                     #region Text
-
+                    
                     //Removes any duplicated modifier key.
                     var keyList = new List<SimpleKeyGesture>();
                     for (var i = 0; i < frame.KeyList.Count; i++)
                     {
-                        if (i + 1 > frame.KeyList.Count - 1 || !frame.KeyList[i + 1].Modifiers.ToString().Contains(frame.KeyList[i].Key.ToString().Remove("Left", "Right").TrimStart('L').TrimStart('R')))
+                        //If this frame being added will be repeated next, ignore.
+                        if (frame.KeyList.Count > i + 1 && frame.KeyList[i + 1].Key == frame.KeyList[i].Key && frame.KeyList[i + 1].Modifiers == frame.KeyList[i].Modifiers)
+                            continue;
+
+                        //Removes the previous modifier key, if a combination is next to it: "LeftCtrl Control + A" will be "Control + A".
+                        if (i + 1 > frame.KeyList.Count - 1 || !frame.KeyList[i + 1].Modifiers.ToString().Contains(frame.KeyList[i].Key.ToString().Remove("Left", "Right").Replace("Ctrl", "Control").TrimStart('L').TrimStart('R')))
                             keyList.Add(frame.KeyList[i]);
                     }
 
                     //Update text with key strokes.
-                    KeyStrokesLabel.Text = keyList.GroupBy(g => g.Key).Select(s => s.First()).Select(x => "" + Native.GetSelectKeyText(x.Key, x.Modifiers, x.IsUppercase)).Aggregate((p, n) => p + UserSettings.All.KeyStrokesSeparator + n);
+                    KeyStrokesLabel.Text = keyList.Select(x => "" + Native.GetSelectKeyText(x.Key, x.Modifiers, x.IsUppercase)).Aggregate((p, n) => p + UserSettings.All.KeyStrokesSeparator + n);
                     KeyStrokesLabel.UpdateLayout();
 
                     //Renders the current Visual.