diff --git a/lib/ipcomm.cpp b/lib/ipcomm.cpp
index a6b05c3f9..d845a604b 100644
--- a/lib/ipcomm.cpp
+++ b/lib/ipcomm.cpp
@@ -1,9 +1,13 @@
 #include <QDebug>
-#include <qsharedmemory.h>
+#include <QString>
+#include <QSharedMemory>
 #include <QSystemSemaphore>
 
 // Multiple instances: KK1D, 17 Jul 2013
-QSharedMemory mem_jt9("mem_jt9");
+QSharedMemory mem_jt9;
+
+// Semaphore not changed, as the acquire/release calls do not 
+// appear to be used anywhere.  
 QSystemSemaphore sem_jt9("sem_jt9", 1, QSystemSemaphore::Open);
 
 extern "C" {
@@ -14,6 +18,8 @@ extern "C" {
   bool unlock_jt9_();
   char* address_jt9_();
   int size_jt9_();
+// Multiple instances:  wrapper for QSharedMemory::setKey()
+  bool setkey_jt9_(char* mykey, int mykey_len);
 
   bool acquire_jt9_();
   bool release_jt9_();
@@ -31,5 +37,14 @@ bool unlock_jt9_() {return mem_jt9.unlock();}
 char* address_jt9_() {return (char*)mem_jt9.constData();}
 int size_jt9_() {return (int)mem_jt9.size();}
 
+// Multiple instances:
+bool setkey_jt9_(char* mykey, int mykey_len) {
+   char *tempstr = (char *)calloc(mykey_len+1,1);
+   memset(tempstr, 0, mykey_len+1);
+   strncpy(tempstr, mykey, mykey_len);
+   QString s1 = QString(QLatin1String(tempstr));
+   mem_jt9.setKey(s1);
+   return true;}
+
 bool acquire_jt9_() {return sem_jt9.acquire();}
 bool release_jt9_() {return sem_jt9.release();}
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 068b5bfc2..f2884b4d6 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1,4 +1,4 @@
-//-------------------------------------------------------------- MainWindow
+//------------------------------------------------------------- MainWindow
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include "devsetup.h"