diff --git a/fcco_converter/gui.py b/fcco_converter/gui.py
index ec9c623..ff8da02 100644
--- a/fcco_converter/gui.py
+++ b/fcco_converter/gui.py
@@ -841,25 +841,6 @@ class App(ctk.CTk):
         if not IS_MACOS:
             w.after(200, lambda: w.grab_set())
 
-    def check_updates(self, manual=False):
-        import threading
-        
-        def _do_check():
-            try:
-                has_upd, ver, url = check_for_updates()
-                if has_upd:
-                    self.after(0, lambda: self._prompt_update(ver, url))
-                elif manual:
-                    self.after(0, lambda: messagebox.showinfo("Updates", "Du bist auf der neuesten Version!"))
-            except Exception as e:
-                if manual:
-                    self.after(0, lambda: messagebox.showerror("Fehler", f"Fehler bei Update-Prüfung:\n{e}"))
-
-        if manual:
-            self.after(30, self._activate)
-            
-        threading.Thread(target=_do_check, daemon=True).start()
-
     def _save_s(self, wg, win):
         try:
             th = int(wg["threads"].get())
diff --git a/fcco_converter/updater.py b/fcco_converter/updater.py
index 3202ace..6d69646 100644
--- a/fcco_converter/updater.py
+++ b/fcco_converter/updater.py
@@ -51,11 +51,11 @@ def _parse_version(v: str) -> list[int]:
     return parts
 
 
-def check_for_updates() -> tuple[bool, str, str]:
+def check_for_updates() -> dict | None:
     """Prüft, ob auf Gitea ein neues Release (nach SemVer) vorliegt.
     
     Returns:
-        (has_update, new_version_string, asset_download_url)
+        Das Release-Dict (von Gitea) wenn ein Update verfügbar ist, sonst None.
     """
     try:
         req = Request(RELEASES_URL, headers={'User-Agent': 'fcco-Updater/1.0'})
@@ -63,7 +63,7 @@ def check_for_updates() -> tuple[bool, str, str]:
             data = json.loads(resp.read().decode('utf-8'))
             
         if not data:
-            return False, "", ""
+            return None
             
         # Gitea gibt Releases sortiert zurück, 0 = neuestes
         release_info = data[0]
@@ -74,18 +74,12 @@ def check_for_updates() -> tuple[bool, str, str]:
         
         # Intelligenter Versions-Vergleich
         if _parse_version(latest_version) > _parse_version(CURRENT_VERSION):
-            # Finde die passende Zip-Datei
-            expected_asset = _get_platform_asset_name()
-            for asset in release_info.get("assets", []):
-                if asset.get("name") == expected_asset:
-                    return True, latest_version, asset.get("browser_download_url", "")
-                    
-            return False, "", ""
+            return release_info
             
-        return False, "", ""
+        return None
     except Exception as e:
         print(f"Update Check Error: {e}")
-        return False, "", ""
+        return None
 
 
 def _get_platform_asset_name() -> str: