diff --git a/backend/app/downloads/formats.py b/backend/app/downloads/formats.py
index cd5d766..8fc710d 100644
--- a/backend/app/downloads/formats.py
+++ b/backend/app/downloads/formats.py
@@ -91,10 +91,17 @@ def build_ydl_opts(spec: dict, outtmpl: str, progress_hook) -> dict:
         "writethumbnail": True,  # kept for the poster.jpg sidecar (and embed, if requested)
         "progress_hooks": [progress_hook],
         "postprocessors": [],
+        # Force IPv4: containers often have no working IPv6 route, but googlevideo CDN hosts
+        # advertise AAAA records, so ffmpeg/the downloader would try IPv6 and fail with
+        # "[Errno -5] No address associated with hostname". Binding to the IPv4 any-address
+        # makes every connection IPv4-only. (yt-dlp's --force-ipv4 does the same thing.)
+        "source_address": "0.0.0.0",
         # Self-heal transient network blips instead of failing the whole job.
-        "retries": 3,
-        "fragment_retries": 5,
-        "retry_sleep": {"http": 2, "fragment": 2},
+        "retries": 10,
+        "fragment_retries": 10,
+        "extractor_retries": 3,
+        "retry_sleep": {"http": 5, "fragment": 5, "extractor": 5},
+        "socket_timeout": 30,
     }
 
     if s["mode"] == "a":
diff --git a/backend/app/routes/downloads.py b/backend/app/routes/downloads.py
index a5e3358..661f0ae 100644
--- a/backend/app/routes/downloads.py
+++ b/backend/app/routes/downloads.py
@@ -364,6 +364,14 @@ def resume_download(
     if job.status in ("paused", "error"):
         job.progress = 0
         job.error = None
+        # If the shared asset itself failed, reset it to pending so the worker actually
+        # re-downloads — otherwise the requeued job would instantly re-inherit the asset's
+        # stale error (the worker short-circuits a job whose asset is already errored).
+        if job.asset_id:
+            asset = db.get(MediaAsset, job.asset_id)
+            if asset and asset.status == "error":
+                asset.status = "pending"
+                asset.error = None
         _set_status(db, job, "queued")
     asset = db.get(MediaAsset, job.asset_id) if job.asset_id else None
     return _serialize(job, asset)