Fix: remove the leak protection entirely

modules/ANSLLM/dllmain.cpp

@@ -107,13 +107,15 @@ static int CopyToLStrHandle(LStrHandle handle, const std::string& str) noexcept
 extern "C" ANSLLM_API int  CreateANSLLMHandle(ANSCENTER::ANSLLM** Handle, const char* licenseKey, int localLLM) {
     if (Handle == nullptr || licenseKey == nullptr) return 0;
     try {
-        // Release existing handle if called twice (prevents leak from LabVIEW)
-        if (*Handle) {
-            if (UnregisterLLMHandle(*Handle)) {
-                delete *Handle;
-            }
-            *Handle = nullptr;
-        }
+        // Pure constructor: ignore *Handle(in). LabVIEW's CLF Node marshalling
+        // reuses the same temp buffer per call site, so *Handle(in) often holds
+        // leftover bytes from the previous Create's output even when the actual
+        // LabVIEW wire is a different, freshly-allocated instance. Inspecting
+        // *Handle(in) and destroying what we "see" tears down legitimate
+        // parallel instances. (Same reasoning as CreateANSAWSHandle.)
+        // Trade-off: a true double-Create on the same wire leaks the prior
+        // handle -- caller's bug; the alternative is far worse.
+        *Handle = nullptr;
 
         // std::unique_ptr ensures automatic cleanup on any failure path
         auto ptr = std::make_unique<ANSCENTER::ANSLLM>();