diff --git a/xvaga/xvaga.cpp b/xvaga/xvaga.cpp
index 0f7e49fde..330b6dfaa 100755
--- a/xvaga/xvaga.cpp
+++ b/xvaga/xvaga.cpp
@@ -7,6 +7,7 @@
 #include "wx/fontdlg.h"
 #include "wx/image.h"
 #include <wx/snglinst.h>
+#include <wx/thread.h>
 
 #include "wx/fs_zip.h"
 #include "wx/html/helpctrl.h"
@@ -3657,6 +3658,31 @@ BOOLEAN xvt_sys_get_user_name(char* name, int maxlen)
 	return len > 0;
 }
 
+///////////////////////////////////////////////////////////
+// Process processing 
+///////////////////////////////////////////////////////////
+class TIconizeTaskThread : public wxThread
+{
+protected:
+  virtual ExitCode Entry();
+public:
+  TIconizeTaskThread();
+};
+
+wxThread::ExitCode TIconizeTaskThread::Entry()
+{
+  Sleep(1000);
+  ((wxFrame*)_task_win)->Iconize();
+  return 0;
+}
+
+TIconizeTaskThread::TIconizeTaskThread()
+{
+  Create();
+  SetPriority(WXTHREAD_MIN_PRIORITY);
+  Run();
+}
+
 long xvt_sys_execute(const char* cmdline, BOOLEAN sync, BOOLEAN iconizetask)
 {
   long exitcode = 0;
@@ -3666,15 +3692,19 @@ long xvt_sys_execute(const char* cmdline, BOOLEAN sync, BOOLEAN iconizetask)
     if (iconizetask)
     {
       wxEnableTopLevelWindows(FALSE);
-      ((wxFrame*)_task_win)->Iconize();
-    }  
-    exitcode = wxExecute(cmdline, wxEXEC_SYNC);
-    if (iconizetask)
-    {
+      
+      // ((wxFrame*)_task_win)->Iconize();
+      TIconizeTaskThread* it;
+      it = new TIconizeTaskThread();
+  
+      exitcode = wxExecute(cmdline, wxEXEC_SYNC);
+      
       ((wxFrame*)_task_win)->Restore();
       wxEnableTopLevelWindows(TRUE);
       _task_win->Raise();
     }
+    else
+      exitcode = wxExecute(cmdline, wxEXEC_SYNC);
   }
   else
     exitcode = wxExecute(cmdline, wxEXEC_ASYNC);