diff --git a/.gitignore b/.gitignore
index cc31630..5c9e3f8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -318,3 +318,4 @@ nuitka-crash-report.xml
 
 # test files
 test.lce_inst
+default.lce_inst
\ No newline at end of file
diff --git a/default.lce_inst b/default.lce_inst
deleted file mode 100644
index e54a3f8..0000000
--- a/default.lce_inst
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-    "name": "Default Managed", 
-    "installation_path": "/home/xgui4/Documents/LegacyClient", 
-    "username": "Xgui4", 
-    "archive_file": "LCEWindows64.zip", 
-    "exe_name": "Minecraft.Client.exe", 
-    "repo_url": "https://github.com/MCLCE/MinecraftConsoles", 
-    "instance_source": "InstanceSource.GITHUB_RELEASE", 
-    "instance_type": "InstanceType.CLIENT_VANILLA", 
-    "image": [":/assets/minecraft.png"], 
-    "news_feed": "https://github.com/MCLCE/minecraftconsoles/commits", 
-    "version": "nightly", 
-    "skin_path": "",
-    "servers": ""
-}
\ No newline at end of file
diff --git a/src/lce_qt_launcher/managers/proton_manager.py b/src/lce_qt_launcher/managers/proton_manager.py
new file mode 100644
index 0000000..4841d68
--- /dev/null
+++ b/src/lce_qt_launcher/managers/proton_manager.py
@@ -0,0 +1,17 @@
+"""
+    Valve Steam Proton Manager
+    Copyright (C) 2026 Xgui4
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
\ No newline at end of file
diff --git a/src/main.py b/src/main.py
index 9a25ee5..54e996c 100755
--- a/src/main.py
+++ b/src/main.py
@@ -13,6 +13,24 @@
 # nuitka-projet:  --include-distribution-metadata=lce-qt-launcher
 # nuitka-project: --copyright="Copyleft Xgui4 2026 (GPLv3)"
 
+"""
+    LCE Qt Launcher Manager
+    Copyright (C) 2026 Xgui4
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 from PySide6.QtWidgets import QMessageBox, QFileDialog
 
 from lce_qt_launcher.views import term_service