--- ncmul.cpp.orig	2010-09-30 18:49:14.241563514 +0430
+++ ncmul.cpp	2010-09-30 18:56:47.025579090 +0430
@@ -339,8 +339,13 @@
 	if (assocseq.empty()) return _ex1;
 
 	// determine return types
-	unsignedvector rettypes;
-	rettypes.reserve(assocseq.size());
+#ifdef _MSC_VER	
+        // For unfathomable reasons, the MSVC code crashes on accessing rettypes[0] if we just do reserve()
+        unsignedvector rettypes(assocseq.size());
+#else
+        unsignedvector rettypes;	
+        rettypes.reserve(assocseq.size());
+#endif	
 	size_t i = 0;
 	size_t count_commutative=0;
 	size_t count_noncommutative=0;