diff --git a/app/build.gradle b/app/build.gradle
index e7efdb9..87bf687 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -12,8 +12,8 @@ android {
         applicationId "com.vectras.vm"
         minSdk minApi
         targetSdk targetApi
-        versionCode 92
-        versionName "3.8.8"
+        versionCode 93
+        versionName "3.8.9"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         multiDexEnabled true
 
diff --git a/app/src/main/java/com/vectras/vm/main/core/MainStartVM.java b/app/src/main/java/com/vectras/vm/main/core/MainStartVM.java
index b164c06..748547b 100644
--- a/app/src/main/java/com/vectras/vm/main/core/MainStartVM.java
+++ b/app/src/main/java/com/vectras/vm/main/core/MainStartVM.java
@@ -312,7 +312,8 @@ public class MainStartVM {
 //                    } else if (MainSettingsManager.getVmUi(activity).equals("SPICE")) {
 //                        //This feature is not available yet.
                             } else if (MainSettingsManager.getVmUi(context).equals("X11") && !DisplaySystem.isUseBuiltInX11()) {
-                                DisplaySystem.launch(context);
+                                assert activity != null;
+                                activity.runOnUiThread(() -> DisplaySystem.launch(context));
                             }
 
                             Log.i(TAG, "Virtual machine running.");
diff --git a/app/src/main/java/com/vectras/vm/utils/ProgressDialog.java b/app/src/main/java/com/vectras/vm/utils/ProgressDialog.java
index 10fc037..46c8049 100644
--- a/app/src/main/java/com/vectras/vm/utils/ProgressDialog.java
+++ b/app/src/main/java/com/vectras/vm/utils/ProgressDialog.java
@@ -4,6 +4,8 @@ import android.app.Activity;
 import android.content.Context;
 import android.os.Build;
 import android.view.LayoutInflater;
+import android.widget.ProgressBar;
+import android.widget.TextView;
 
 import androidx.appcompat.app.AlertDialog;
 
@@ -23,6 +25,9 @@ public class ProgressDialog {
     private Integer max;
     private Boolean isIndeterminate;
 
+    private ProgressBar progressBar;
+    private TextView textview;
+
     public ProgressDialog(Context context) {
         this.context = context;
     }
@@ -49,7 +54,10 @@ public class ProgressDialog {
 
             if (isIndeterminate != null) binding.progressBar.setIndeterminate(isIndeterminate);
 
-            if (isFixTextColor) binding.progressText.setTextColor(MaterialColors.getColor(binding.progressText, com.google.android.material.R.attr.colorOnSurface));
+            if (isFixTextColor != null && isFixTextColor) binding.progressText.setTextColor(MaterialColors.getColor(binding.progressText, com.google.android.material.R.attr.colorOnSurface));
+
+            progressBar = binding.progressBar;
+            textview = binding.progressText;
 
             dialog = new MaterialAlertDialogBuilder(context, R.style.CenteredDialogTheme)
                     .setView(binding.getRoot())
@@ -95,10 +103,20 @@ public class ProgressDialog {
         return dialog != null && dialog.isShowing();
     }
 
+    public ProgressBar getProgressBar() {
+        return progressBar;
+    }
+
+    public TextView getTextview() {
+        return textview;
+    }
+
     public void dismiss() {
         DialogUtils.safeDismiss((Activity) context, dialog);
         binding = null;
         dialog = null;
+        progressBar = null;
+        textview = null;
     }
 
     public void reset() {
@@ -107,5 +125,7 @@ public class ProgressDialog {
         progress = null;
         max = null;
         isIndeterminate = null;
+        progressBar = null;
+        textview = null;
     }
 }
diff --git a/web/data/UpdateConfig.json b/web/data/UpdateConfig.json
index 473775d..e78cd48 100644
--- a/web/data/UpdateConfig.json
+++ b/web/data/UpdateConfig.json
@@ -5,11 +5,11 @@
     "url": "https://github.com/xoureldeen/Vectras-VM-Android/releases",
     "Message": "<h2>3.8.0</h2>\nBugs fixed.",
     "cancellable": true,
-    "versionCodeBeta":"92",
-    "versionNameBeta":"3.8.8",
-    "versionNameBetas":"3.0.0,3.1.0,3.2.1,3.2.2,3.2.3,3.2.4,3.2.5,3.2.6,3.2.7,3.2.8,3.2.9,3.2.10,3.3.1,3.3.2,3.3.3,3.3.4,3.3.5,3.3.6,3.3.7,3.3.8,3.3.9,3.4.1,3.4.2,3.4.3,3.4.4,3.4.5,3.4.6,3.4.7,3.4.8,3.4.9,3.5.1,3.5.2,3.5.3,3.5.4,3.5.5,3.5.6,3.5.7,3.5.8,3.5.9,3.6.1,3.6.2,3.6.3,3.6.4,3.6.5,3.6.6,3.6.7,3.6.8,3.6.9,3.7.1,3.7.2,3.7.3,3.7.4,3.7.5,3.7.6,3.7.7,3.7.8,3.7.9,3.8.0,3.8.1,3.8.2,3.8.3,3.8.4,3.8.5,3.8.6,3.8.7,3.8.8",
+    "versionCodeBeta":"93",
+    "versionNameBeta":"3.8.9",
+    "versionNameBetas":"3.0.0,3.1.0,3.2.1,3.2.2,3.2.3,3.2.4,3.2.5,3.2.6,3.2.7,3.2.8,3.2.9,3.2.10,3.3.1,3.3.2,3.3.3,3.3.4,3.3.5,3.3.6,3.3.7,3.3.8,3.3.9,3.4.1,3.4.2,3.4.3,3.4.4,3.4.5,3.4.6,3.4.7,3.4.8,3.4.9,3.5.1,3.5.2,3.5.3,3.5.4,3.5.5,3.5.6,3.5.7,3.5.8,3.5.9,3.6.1,3.6.2,3.6.3,3.6.4,3.6.5,3.6.6,3.6.7,3.6.8,3.6.9,3.7.1,3.7.2,3.7.3,3.7.4,3.7.5,3.7.6,3.7.7,3.7.8,3.7.9,3.8.0,3.8.1,3.8.2,3.8.3,3.8.4,3.8.5,3.8.6,3.8.7,3.8.8,3.8.9",
     "sizeBeta": "45 MB",
     "urlBeta": "https://github.com/AnBui2004/Vectras-VM-Emu-Android/releases",
-    "MessageBeta": "<h2>3.8.8</h2>Bugs fixed.",
+    "MessageBeta": "<h2>3.8.9</h2>Bugs fixed.",
     "cancellableBeta": true
 }