diff --git a/LICENSE b/LICENSE
index 828c521..c03f27e 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,11 +1,6 @@
 MIT License
 
-<<<<<<< HEAD
-Works are copyright (c) 2018 their respective AUTHORS,
-unless such work is in the Public Domain (again, see AUTHORS)
-=======
 Copyright (c) 2017 Open Water Analytics
->>>>>>> master
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/epanet.c b/src/epanet.c
index ce32c07..a2d86df 100644
--- a/src/epanet.c
+++ b/src/epanet.c
@@ -1867,16 +1867,15 @@ int DLLEXPORT EN_deletenode(EN_Project p, int index, int actionCode)
     // Can't delete a water quality trace node
     if (index == p->quality.TraceNode) return 260;
 
-    // Count number of simple & rule-based controls that contain the node
+    // Do not delete a node contained in a control or is connected to a link
     if (actionCode == EN_CONDITIONAL)
     {
-        actionCode = incontrols(p, NODE, index);
+        if (incontrols(p, NODE, index)) return 261;
         for (i = 1; i <= net->Nlinks; i++)
         {
             if (net->Link[i].N1 == index ||
-                net->Link[i].N2 == index)  actionCode += incontrols(p, LINK, i);
+                net->Link[i].N2 == index)  return 259;
         }
-        if (actionCode > 0) return 261;
     }
 
     // Get a reference to the node & its type
diff --git a/src/errors.dat b/src/errors.dat
index 52baec3..cf808a8 100644
--- a/src/errors.dat
+++ b/src/errors.dat
@@ -54,6 +54,7 @@ DAT(253,"nonexistent demand category")
 DAT(254,"node with no coordinates")
 DAT(257,"nonexistent rule")
 DAT(258,"nonexistent rule clause")
+DAT(259,"attempt to delete a node that still has links connected to it")
 DAT(260,"attempt to delete node assigned as a Trace Node")
 DAT(261,"attempt to delete a node or link contained in a control")
 DAT(262,"attempt to modify network structure while solver is active")
diff --git a/src/rules.c b/src/rules.c
index d0addb8..7ee4d8a 100644
--- a/src/rules.c
+++ b/src/rules.c
@@ -110,6 +110,10 @@ void initrules(Project *pr)
 //--------------------------------------------------------------
 {
     pr->rules.RuleState = r_PRIORITY;
+    pr->rules.LastPremise = NULL;
+    pr->rules.LastThenAction = NULL;
+    pr->rules.LastElseAction = NULL;
+    pr->rules.ActionList = NULL;
     pr->network.Rule = NULL;
 }
 
@@ -169,8 +173,14 @@ void freerules(Project *pr)
 //--------------------------------------------------------------
 {
     int i;
+ 
+    // Already freed
+    if (pr->network.Rule == NULL)
+        return;
+
     for (i = 1; i <= pr->network.Nrules; i++) clearrule(pr, i);
     free(pr->network.Rule);
+    pr->network.Rule = NULL;
 }
 
 int ruledata(Project *pr)
@@ -199,6 +209,12 @@ int ruledata(Project *pr)
           break;
 
         case r_RULE:
+          // Missing the rule label
+          if (parser->Ntokens != 2)
+          {
+              err = 201;
+              break;
+          }
           net->Nrules++;
           newrule(pr);
           rules->RuleState = r_RULE;
@@ -302,24 +318,24 @@ void ruleerrmsg(Project *pr)
     // Get label of rule being parsed
     if (net->Nrules > 0)
     {
-        strcpy(label, t_RULE);
-        strcat(label, " ");
-        strcat(label, net->Rule[net->Nrules].label);
+        strncpy(label, t_RULE, MAXMSG);
+        strncat(label, " ", MAXMSG);
+        strncat(label, net->Rule[net->Nrules].label, MAXMSG);
     }
-    else strcpy(label, t_RULES_SECT);
+    else strncpy(label, t_RULES_SECT, MAXMSG);
 
     // Write rule label and error message to status report
-    sprintf(pr->Msg, "%s", msg);
-    strcat(pr->Msg, label);
-    strcat(pr->Msg, ":");
+    snprintf(pr->Msg, MAXMSG, "%s", msg);
+    strncat(pr->Msg, label, MAXMSG);
+    strncat(pr->Msg, ":", MAXMSG);
     writeline(pr, pr->Msg);
 
     // Write text of rule clause being parsed to status report
     strcpy(msg, Tok[0]);
     for (i = 1; i < parser->Ntokens; i++)
     {
-        strcat(msg, " ");
-        strcat(msg, Tok[i]);
+        strncat(msg, " ", MAXLINE);
+        strncat(msg, Tok[i], MAXLINE);
     }
     writeline(pr, msg);
 }
diff --git a/win_build/WinSDK/Makefile2.bat b/win_build/WinSDK/Makefile2.bat
new file mode 100644
index 0000000..204aad7
--- /dev/null
+++ b/win_build/WinSDK/Makefile2.bat
@@ -0,0 +1,45 @@
+rem : set the path to CMAKE
+SET CMAKE_PATH=cmake.exe 
+
+SET Build_PATH=%CD%
+
+rem : set genarator
+SET GENERATOR=Visual Studio 15 2017
+
+rem : the directory where the program will be compiled to
+SET COMPILE_PATH_WIN64TMP=%Build_PATH%\tmp64\
+SET COMPILE_PATH_WIN64=%Build_PATH%\64bit\
+
+rem : the directory where the program will be compiled to
+SET COMPILE_PATH_WIN32TMP=%Build_PATH%\tmp32\
+SET COMPILE_PATH_WIN32=%Build_PATH%\32bit\
+
+rem : CMAKE the root directory of the EPANET project 
+rem : 64 bit
+MKDIR "%COMPILE_PATH_WIN64TMP%"
+CD "%COMPILE_PATH_WIN64TMP%"
+MKDIR "%COMPILE_PATH_WIN64%"
+%CMAKE_PATH% -G "%GENERATOR% Win64" ../../../
+rem : %CMAKE_PATH% --build . --config Debug
+%CMAKE_PATH% --build . --config Release
+
+XCOPY "%COMPILE_PATH_WIN64TMP%bin\Release\epanet2.dll" "%COMPILE_PATH_WIN64%epanet2.dll*" /y
+XCOPY "%COMPILE_PATH_WIN64TMP%bin\Release\runepanet.exe" "%COMPILE_PATH_WIN64%epanet2.exe*" /y
+
+rem : CMAKE the root directory of the EPANET project 
+rem : 32 bit
+MKDIR "%COMPILE_PATH_WIN32TMP%"
+CD "%COMPILE_PATH_WIN32TMP%"
+MKDIR "%COMPILE_PATH_WIN32%"
+%CMAKE_PATH% -G "%GENERATOR%" ../../../
+rem : %CMAKE_PATH% --build . --config Debug
+%CMAKE_PATH% --build . --config Release
+
+XCOPY "%COMPILE_PATH_WIN32TMP%bin\Release\epanet2.dll" "%COMPILE_PATH_WIN32%epanet2.dll*" /y
+XCOPY "%COMPILE_PATH_WIN32TMP%bin\Release\runepanet.exe" "%COMPILE_PATH_WIN32%epanet2.exe*" /y
+
+CD "%Build_PATH%"
+
+rem : cleaning
+RMDIR /s /q "%COMPILE_PATH_WIN64TMP%"
+RMDIR /s /q "%COMPILE_PATH_WIN32TMP%"