diff --git a/linedance-app/build_windows.spec b/linedance-app/build_windows.spec
index e56deb62..00bcba4f 100644
--- a/linedance-app/build_windows.spec
+++ b/linedance-app/build_windows.spec
@@ -1,22 +1,24 @@
 # -*- mode: python ; coding: utf-8 -*-
-from PyInstaller.utils.hooks import collect_all, collect_submodules
+from PyInstaller.utils.hooks import collect_data_files, collect_dynamic_libs
 
 block_cipher = None
 
-# Saml ALT fra PyQt6 inkl. plugins og DLL-filer
-pyqt6_datas, pyqt6_binaries, pyqt6_hiddenimports = collect_all('PyQt6')
-
 a = Analysis(
     ['main.py'],
     pathex=['.'],
-    binaries=pyqt6_binaries,
-    datas=pyqt6_datas,
-    hiddenimports=pyqt6_hiddenimports + [
+    binaries=[],
+    datas=[
+        ('translations', 'translations'),
+        ('ui', 'ui'),
+        ('local', 'local'),
+        ('player', 'player'),
+    ],
+    hiddenimports=[
         'PyQt6.sip',
         'PyQt6.QtCore',
         'PyQt6.QtGui',
         'PyQt6.QtWidgets',
-        # UI moduler
+        'PyQt6.QtNetwork',
         'ui.main_window',
         'ui.playlist_panel',
         'ui.library_panel',
@@ -24,30 +26,81 @@ a = Analysis(
         'ui.themes',
         'ui.vu_meter',
         'ui.scan_worker',
+        'ui.bpm_worker',
         'ui.tag_editor',
         'ui.login_dialog',
         'ui.settings_dialog',
-        'ui.playlist_manager',
+        'ui.register_dialog',
+        'ui.playlist_browser',
+        'ui.playlist_info_dialog',
+        'ui.dance_info_dialog',
+        'ui.dance_picker_dialog',
         'ui.next_up_bar',
-        # Player + local
         'player.player',
         'local.local_db',
         'local.tag_reader',
         'local.file_watcher',
-        # Biblioteker
-        'mutagen', 'mutagen.mp3', 'mutagen.id3', 'mutagen.flac',
+        'local.scanner',
+        'translations',
+        'translations.da',
+        'translations.en',
+        'mutagen',
+        'mutagen.mp3', 'mutagen.id3', 'mutagen.flac',
         'mutagen.mp4', 'mutagen.oggvorbis', 'mutagen.ogg',
         'mutagen.wave', 'mutagen.aiff', 'mutagen.asf',
-        'watchdog', 'watchdog.observers', 'watchdog.events',
-        'watchdog.observers.winapi',
-        'vlc', 'sqlite3',
+        'watchdog',
+        'watchdog.observers',
+        'watchdog.observers.polling',
+        'watchdog.events',
+        'vlc',
+        'sqlite3',
     ],
     hookspath=[],
-    hooksconfig={},
     runtime_hooks=[],
-    excludes=['tkinter', 'matplotlib', 'pandas', 'scipy', 'IPython'],
-    win_no_prefer_redirects=False,
-    win_private_assemblies=False,
+    excludes=[
+        # Ubrugte store pakker
+        'tkinter', 'tk', 'tcl',
+        'matplotlib', 'pandas', 'scipy', 'numpy',
+        'IPython', 'jupyter', 'notebook',
+        'PIL', 'Pillow',
+        'cv2', 'sklearn',
+        'PyQt6.QtWebEngineWidgets',
+        'PyQt6.QtWebEngineCore',
+        'PyQt6.QtWebEngine',
+        'PyQt6.QtMultimedia',
+        'PyQt6.QtMultimediaWidgets',
+        'PyQt6.QtBluetooth',
+        'PyQt6.QtNfc',
+        'PyQt6.QtPositioning',
+        'PyQt6.QtLocation',
+        'PyQt6.QtSensors',
+        'PyQt6.QtSerialPort',
+        'PyQt6.QtSql',
+        'PyQt6.QtTest',
+        'PyQt6.QtXml',
+        'PyQt6.QtOpenGL',
+        'PyQt6.QtOpenGLWidgets',
+        'PyQt6.Qt3DCore',
+        'PyQt6.Qt3DRender',
+        'PyQt6.Qt3DInput',
+        'PyQt6.Qt3DLogic',
+        'PyQt6.Qt3DAnimation',
+        'PyQt6.Qt3DExtras',
+        'PyQt6.QtCharts',
+        'PyQt6.QtDataVisualization',
+        'PyQt6.QtQuick',
+        'PyQt6.QtQuickWidgets',
+        'PyQt6.QtQml',
+        'PyQt6.QtRemoteObjects',
+        'PyQt6.QtScxml',
+        'PyQt6.QtStateMachine',
+        'email', 'html', 'http', 'urllib',
+        'xml', 'xmlrpc',
+        'unittest', 'doctest', 'pdb',
+        'difflib', 'inspect',
+        'pydoc', 'py_compile', 'compileall',
+        'distutils', 'setuptools', 'pkg_resources',
+    ],
     cipher=block_cipher,
     noarchive=False,
 )
@@ -57,28 +110,26 @@ pyz = PYZ(a.pure, a.zipped_data, cipher=block_cipher)
 exe = EXE(
     pyz,
     a.scripts,
+    a.binaries,
+    a.zipfiles,
+    a.datas,
     [],
-    exclude_binaries=True,
     name='LineDancePlayer',
     debug=False,
     bootloader_ignore_signals=False,
     strip=False,
-    upx=False,          # UPX kan give problemer med PyQt6 DLL-filer
-    console=False,      # Ingen konsol-vindue
+    upx=True,           # UPX komprimering — reducer størrelse ~30%
+    upx_exclude=[
+        'vcruntime140.dll',
+        'msvcp140.dll',
+        'python3*.dll',
+        'Qt6*.dll',
+    ],
+    console=False,
     disable_windowed_traceback=False,
     target_arch=None,
     codesign_identity=None,
     entitlements_file=None,
     icon=None,
-)
-
-coll = COLLECT(
-    exe,
-    a.binaries,
-    a.zipfiles,
-    a.datas,
-    strip=False,
-    upx=False,
-    upx_exclude=[],
-    name='LineDancePlayer',
-)
+    onefile=True,
+)
\ No newline at end of file
diff --git a/linedance-app/upx.exe b/linedance-app/upx.exe
new file mode 100644
index 00000000..f092ae5b
Binary files /dev/null and b/linedance-app/upx.exe differ