diff --git a/app/services/realtime_audit_service.py b/app/services/realtime_audit_service.py
index adff707..1be5ca4 100644
--- a/app/services/realtime_audit_service.py
+++ b/app/services/realtime_audit_service.py
@@ -825,6 +825,33 @@ def _analyze_qualys_audit(r):
                        "size 100M   # rotation auto a 100M"
             })
 
+    # Core dump + package absent = installation incomplète / corrompue
+    if ("core-dump" in s_sys or "core dumped" in s_sys or "abrt" in s_sys.lower()) and \
+       ("introuvable" in s_ver.lower() or s_ver.lower().startswith("version introuvable")):
+        suggestions.append({
+            "severity": "critical",
+            "title": "Installation Qualys cassée (core dump + package absent du RPM)",
+            "fix": "Le service systemd existe mais le binaire est manquant ou corrompu "
+                   "→ core dump en boucle. Désinstaller proprement puis réinstaller :\n\n"
+                   "sudo systemctl stop qualys-cloud-agent\n"
+                   "sudo systemctl disable qualys-cloud-agent\n"
+                   "sudo rm -rf /usr/local/qualys /var/log/qualys /etc/qualys\n"
+                   "sudo rm -f /usr/lib/systemd/system/qualys-cloud-agent.service\n"
+                   "sudo systemctl daemon-reload && sudo systemctl reset-failed\n\n"
+                   "Puis réinstaller via le script Qualys (ActivationId + CustomerId "
+                   "depuis console qualysguard.qg2.apps.qualys.eu)."
+        })
+    elif "core-dump" in s_sys or "core dumped" in s_sys:
+        suggestions.append({
+            "severity": "high",
+            "title": "Agent Qualys core dumps en boucle",
+            "fix": "Vérifier dépendances binaire :\n"
+                   "ldd /usr/local/qualys/cloud-agent/bin/qualys-cloud-agent\n"
+                   "Voir le coredump pour la cause :\n"
+                   "sudo coredumpctl info qualys-cloud-agent | head -50\n"
+                   "Si lib cassée → réinstaller agent. Si bug Qualys → ouvrir ticket support."
+        })
+
     # OS EOL (RHEL 5/6)
     s_os = (r.get("os_release") or "").lower()
     if "release 5" in s_os or "release 6" in s_os: