diff --git a/AntiHooking/antihookingprotection.cpp b/AntiHooking/antihookingprotection.cpp
index d81788e9..b2897668 100644
--- a/AntiHooking/antihookingprotection.cpp
+++ b/AntiHooking/antihookingprotection.cpp
@@ -135,10 +135,22 @@ private:
         // D3D9 exclusive fullscreen in a way that causes CreateDeviceEx()
         // to deadlock. https://github.com/moonlight-stream/moonlight-qt/issues/102
         L"NahimicOSD.dll",
+
         // This DLL has been seen in several crash reports. Some Googling
         // suggests it's highly unstable and causes issues in many games.
         L"EZFRD32.dll",
         L"EZFRD64.dll",
+
+        // These are the dList DLLs for Optimus hybrid graphics DDI.
+        // https://docs.microsoft.com/en-us/windows-hardware/drivers/display/hybrid-system-ddi
+        //
+        // We forcefully block them from loading because Optimus has a bug that
+        // deadlocks DXVA2 when we present with D3DPRESENT_DONOTWAIT. This will prevent
+        // Optimus from ever using the dGPU even if the user has requested it.
+        // https://github.com/moonlight-stream/moonlight-qt/issues/240
+        // https://github.com/moonlight-stream/moonlight-qt/issues/235
+        L"nvdlist.dll",
+        L"nvdlistx.dll",
     };
 };