diff --git a/clube67/newwhats.local/frontend/components/MessageBubble.tsx b/clube67/newwhats.local/frontend/components/MessageBubble.tsx
index a419f32..55eebc0 100644
--- a/clube67/newwhats.local/frontend/components/MessageBubble.tsx
+++ b/clube67/newwhats.local/frontend/components/MessageBubble.tsx
@@ -328,16 +328,20 @@ const MessageBubble: React.FC<MessageBubbleProps> = ({
     const [isMenuOpen, setIsMenuOpen] = React.useState(false);
     const [listOpen, setListOpen] = useState(false);
     const [isRedownloading, setIsRedownloading] = useState(false);
+    const [mediaUnavailable, setMediaUnavailable] = useState(false);
 
     const handleRedownload = useCallback(async () => {
-        if (!onRedownloadMedia || isRedownloading) return
+        if (!onRedownloadMedia || isRedownloading || mediaUnavailable) return
         setIsRedownloading(true)
         try {
             await onRedownloadMedia(msg)
+        } catch (err: any) {
+            const status = err?.response?.status ?? err?.status
+            if (status === 400 || status === 404) setMediaUnavailable(true)
         } finally {
             setIsRedownloading(false)
         }
-    }, [onRedownloadMedia, msg, isRedownloading])
+    }, [onRedownloadMedia, msg, isRedownloading, mediaUnavailable])
     const isOut = msg.direction === 'out';
     const showActionsLeft = isOut;
     const showActionsRight = !isOut;
@@ -696,14 +700,16 @@ const MessageBubble: React.FC<MessageBubbleProps> = ({
                     return (
                         <div>
                             <div
-                                onClick={handleRedownload}
-                                className="flex items-center gap-2.5 bg-[#f0f2f5] px-3 py-2.5 rounded-xl border border-black/5 w-[260px] cursor-pointer hover:bg-[#e8eaed] transition-colors"
+                                onClick={mediaUnavailable ? undefined : handleRedownload}
+                                className={`flex items-center gap-2.5 bg-[#f0f2f5] px-3 py-2.5 rounded-xl border border-black/5 w-[260px] transition-colors ${mediaUnavailable ? 'cursor-default opacity-60' : 'cursor-pointer hover:bg-[#e8eaed]'}`}
                             >
                                 {isRedownloading
                                     ? <div className="w-8 h-8 border-2 border-slate-400 border-t-transparent rounded-full animate-spin shrink-0" />
                                     : <div className="w-10 h-10 rounded-full bg-[#8696a0] flex items-center justify-center shrink-0"><Mic className="w-4 h-4 text-white" /></div>
                                 }
-                                <span className="text-[12px] text-[#667781]">{isRedownloading ? 'Baixando...' : 'Toque para baixar áudio'}</span>
+                                <span className="text-[12px] text-[#667781]">
+                                    {isRedownloading ? 'Baixando...' : mediaUnavailable ? 'Áudio não disponível' : 'Toque para baixar áudio'}
+                                </span>
                             </div>
                             {TimestampRow}
                         </div>