diff --git a/Launcher/runtime/dialog/images/background.jpg b/Launcher/runtime/dialog/images/background.jpg
deleted file mode 100644
index 5ccd8fd1..00000000
Binary files a/Launcher/runtime/dialog/images/background.jpg and /dev/null differ
diff --git a/Launcher/runtime/dialog/images/background.png b/Launcher/runtime/dialog/images/background.png
new file mode 100644
index 00000000..e500f172
Binary files /dev/null and b/Launcher/runtime/dialog/images/background.png differ
diff --git a/Launcher/runtime/dialog/images/downloader/blured.jpg b/Launcher/runtime/dialog/images/downloader/blured.jpg
deleted file mode 100644
index 9996783b..00000000
Binary files a/Launcher/runtime/dialog/images/downloader/blured.jpg and /dev/null differ
diff --git a/Launcher/runtime/dialog/images/downloader/blured.png b/Launcher/runtime/dialog/images/downloader/blured.png
new file mode 100644
index 00000000..b174accc
Binary files /dev/null and b/Launcher/runtime/dialog/images/downloader/blured.png differ
diff --git a/Launcher/runtime/dialog/overlay/update/update.css b/Launcher/runtime/dialog/overlay/update/update.css
index 156bfbd3..1b2a9171 100644
--- a/Launcher/runtime/dialog/overlay/update/update.css
+++ b/Launcher/runtime/dialog/overlay/update/update.css
@@ -3,7 +3,7 @@
 #overlay {
     -fx-background-color: transparent;
     -fx-background-size: cover;
-    -fx-background-image: url('../../images/downloader/blured.jpg');
+    -fx-background-image: url('../../images/downloader/blured.png');
 }
 
 #overlay>#utitle {
diff --git a/Launcher/runtime/dialog/styles.css b/Launcher/runtime/dialog/styles.css
index 3055d4ba..8ac340b2 100644
--- a/Launcher/runtime/dialog/styles.css
+++ b/Launcher/runtime/dialog/styles.css
@@ -70,7 +70,7 @@ #layout {
     -fx-background-size: cover;
     -fx-pref-width: 738px;
     -fx-pref-height: 450px;
-    -fx-background-image: url('images/background.jpg');
+    -fx-background-image: url('images/background.png');
 }
 
 #background {