Set CachePath for all three examples - use AppData Local folder

CefSharp.MinimalExample.Wpf/App.xaml.cs

@@ -1,4 +1,5 @@
 using System;
+using System.IO;
 using System.Windows;
 
 namespace CefSharp.MinimalExample.Wpf
@@ -7,9 +8,13 @@ namespace CefSharp.MinimalExample.Wpf
     {
         public App()
         {
-            //Perform dependency check to make sure all relevant resources are in our output directory.
-            var settings = new CefSettings();
+            var settings = new CefSettings()
+            {
+                //By default CefSharp will use an in-memory cache, you need to specify a Cache Folder to persist data
+                CachePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "CefSharp\\Cache")
+            };
 
+            //Perform dependency check to make sure all relevant resources are in our output directory.
             Cef.Initialize(settings, performDependencyCheck: true, browserProcessHandler: null);
         }
     }