diff --git a/native_bridge/src/RenderFxJob.cpp b/native_bridge/src/RenderFxJob.cpp
index eb025bf..7c98cf8 100644
--- a/native_bridge/src/RenderFxJob.cpp
+++ b/native_bridge/src/RenderFxJob.cpp
@@ -456,16 +456,18 @@ bool vst3FxLoadInner(Vst3FxState* s, const std::string& path, double sampleRate,
                      int32 maxBlockSize, std::string& err) {
     using namespace VST3::Hosting;
 #ifdef _WIN32
-    // Ozone 11 (iZotope) tự __fastfail (c0000409, license/anti-tamper) khi
-    // load — KHÔNG bị SEH chặn → giết cả bridge process (scan + render +
-    // realtime). Không load: trả lỗi sạch cho chain. Ozone Pro vẫn load OK.
-    // ponytail: muốn chạy Ozone 11 → SandboxVst3Host (mỗi module 1 process).
+    // Ozone 11 / Ozone Pro (iZotope) tự __fastfail (c0000409, license/anti-
+    // tamper) khi load — KHÔNG bị SEH chặn → giết cả bridge process (scan +
+    // render + realtime). Không load: trả lỗi sạch cho chain. WER: Ozone
+    // Pro.vst3 (v9.11.0.1955) cũng crash c0000409 trên fx_vst_bridge.
+    // ponytail: muốn chạy Ozone → SandboxVst3Host (mỗi module 1 process).
     {
         std::string low = path;
         for (auto& c : low) c = (char)std::tolower((unsigned char)c);
-        if (low.find("ozone 11") != std::string::npos) {
-            err = "Ozone 11 not loadable (license fastfail) - use Ozone Pro";
-            std::cerr << "[RenderFx] skip (Ozone 11): " << path << std::endl;
+        if (low.find("ozone 11") != std::string::npos ||
+            low.find("ozone pro") != std::string::npos) {
+            err = "Ozone not loadable (license fastfail) - use another module";
+            std::cerr << "[RenderFx] skip (Ozone fastfail): " << path << std::endl;
             return false;
         }
     }
@@ -2092,14 +2094,16 @@ int run_scan_dir(const std::string& dirPath) {
 #ifdef HAVE_VST3SDK
     for (const auto& p : vst3Paths) {
         std::vector<ScanEntry> entries;
-        // Ozone 11 (iZotope) tự __fastfail (c0000409, license/anti-tamper)
-        // khi load trong --scan — không bị SEH chặn → chết cả process → mất
-        // TOÀN BỘ dir → FX list rỗng. Không load: emit UNKNOWN (giống skip
-        // module lỗi). ponytail: SandboxVst3Host (mỗi module 1 process).
+        // Ozone 11 / Ozone Pro (iZotope) tự __fastfail (c0000409, license/
+        // anti-tamper) khi load trong --scan — không bị SEH chặn → chết cả
+        // process → mất TOÀN BỘ dir → FX list rỗng. Không load: emit UNKNOWN
+        // (giống skip module lỗi). ponytail: SandboxVst3Host (mỗi module 1
+        // process).
         {
             std::string low = p;
             for (auto& c : low) c = (char)std::tolower((unsigned char)c);
-            if (low.find("ozone 11") != std::string::npos) {
+            if (low.find("ozone 11") != std::string::npos ||
+                low.find("ozone pro") != std::string::npos) {
                 emit(p, p.substr(p.find_last_of("/\\") + 1), false, false, "VST3");
                 continue;
             }
diff --git a/native_bridge/src/Vst2Instrument.cpp b/native_bridge/src/Vst2Instrument.cpp
index e905681..cf7d6a7 100644
--- a/native_bridge/src/Vst2Instrument.cpp
+++ b/native_bridge/src/Vst2Instrument.cpp
@@ -9,6 +9,8 @@
 
 #include "vestige/aeffect.h"
 
+#include "VstDllSearch.h"
+
 #include <windows.h>
 
 #include <cstring>
@@ -301,6 +303,11 @@ Vst2Instrument::~Vst2Instrument() {
 }
 
 bool Vst2Instrument::loadPlugin(const std::string& path, double sampleRate) {
+    // iZotope VST2 wrapper DLL (iZOzonePro.dll...) LoadLibrary companion core
+    // DLL (iZOzone11Core.dll) ở C:\Program Files\iZotope\<Product>\Cores —
+    // không cạnh wrapper → iZotope SDK tự hiện MessageBox "Fatal Error 0x7E".
+    // Append Cores dirs vào PATH trước khi LoadLibraryA.
+    vstAddDllSearchPath(vstDllSearchExtras());
     HMODULE h = LoadLibraryA(path.c_str());
     if (!h) {
         std::cerr << "[Vst2Instrument] LoadLibraryA failed: " << path