diff --git a/package.json b/package.json
index 2a92db3..ce83e13 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "real-debrid-downloader",
-  "version": "1.5.68",
+  "version": "1.5.69",
   "description": "Real-Debrid Downloader Desktop (Electron + React + TypeScript)",
   "main": "build/main/main/main.js",
   "author": "Sucukdeluxe",
diff --git a/src/main/extractor.ts b/src/main/extractor.ts
index c0b1d64..bece033 100644
--- a/src/main/extractor.ts
+++ b/src/main/extractor.ts
@@ -1289,12 +1289,19 @@ async function runExternalExtract(
         }
 
         jvmFailureReason = jvmResult.errorText || "JVM-Extractor fehlgeschlagen";
+        const jvmFailureLower = jvmFailureReason.toLowerCase();
         const isUnsupportedMethod = jvmFailureReason.includes("UNSUPPORTEDMETHOD");
-        if (backendMode === "jvm" && !isUnsupportedMethod) {
+        const isCodecError = jvmFailureLower.includes("registered codecs")
+          || jvmFailureLower.includes("can not open")
+          || jvmFailureLower.includes("cannot open archive");
+        const shouldFallbackToLegacy = isUnsupportedMethod || isCodecError;
+        if (backendMode === "jvm" && !shouldFallbackToLegacy) {
           throw new Error(jvmFailureReason);
         }
         if (isUnsupportedMethod) {
           logger.warn(`JVM-Extractor: Komprimierungsmethode nicht unterstützt, fallback auf Legacy: ${path.basename(archivePath)}`);
+        } else if (isCodecError) {
+          logger.warn(`JVM-Extractor: Archiv-Format nicht erkannt, fallback auf Legacy: ${path.basename(archivePath)}`);
         } else {
           logger.warn(`JVM-Extractor Fehler, fallback auf Legacy: ${jvmFailureReason}`);
         }