diff --git a/pandora_agents/win32/ChangeLog b/pandora_agents/win32/ChangeLog
index 17e5e990fd..823357dcc6 100644
--- a/pandora_agents/win32/ChangeLog
+++ b/pandora_agents/win32/ChangeLog
@@ -1,3 +1,11 @@
+2009-02-09  Ramon Novoa  <rnovoa@artica.es>
+
+	* windows/pandora_wmi.cc,
+	  windows/pandora_wmi.h: Allow custom process creation flags.
+
+	* pandora_windows_service.cc: Hide console window when calling
+	  tentacle client.
+
 2009-02-09  Esteban Sanchez  <estebans@artica.es>
 
 	* main.cc: Added a new parameter --process to run the agent as a
diff --git a/pandora_agents/win32/pandora_windows_service.cc b/pandora_agents/win32/pandora_windows_service.cc
index 7e8be45d3d..0d368030c1 100644
--- a/pandora_agents/win32/pandora_windows_service.cc
+++ b/pandora_agents/win32/pandora_windows_service.cc
@@ -207,7 +207,7 @@ Pandora_Windows_Service::copyTentacleDataFile (string host,
 					       string pass,
 					       string opts)
 {
-	int     rc = 0;
+	bool    rc = false;
 	string  var, filepath;
 	string	tentacle_cmd;
 	
@@ -244,26 +244,14 @@ Pandora_Windows_Service::copyTentacleDataFile (string host,
 		      filepath.c_str (), host.c_str ());
 	pandoraDebug ("Command %s", tentacle_cmd.c_str());
 
-	rc = system (tentacle_cmd.c_str());
-	switch (rc) {
-	
-		/* system() error */
-	case -1:
-		pandoraLog ("Unable to copy %s", filename.c_str ());
-		break;
-	
-		/* tentacle_client.exe returned OK */
-	case 0:
-		break;
-	
-		/* tentacle_client.exe error */
-	default:
-		pandoraDebug ("Tentacle client was unable to copy %s",
-			      filename.c_str ());
-		break;
+	rc = Pandora_Wmi::runProgram (tentacle_cmd.c_str(), CREATE_NO_WINDOW);
+	if (rc == true) {
+        return 0;
 	}
-
-	return rc;
+	
+    pandoraDebug ("Tentacle client was unable to copy %s",
+			      filename.c_str ());
+	return -1;
 }
 
 int
diff --git a/pandora_agents/win32/windows/pandora_wmi.cc b/pandora_agents/win32/windows/pandora_wmi.cc
index f136475755..3c0bbce3c6 100644
--- a/pandora_agents/win32/windows/pandora_wmi.cc
+++ b/pandora_agents/win32/windows/pandora_wmi.cc
@@ -520,9 +520,10 @@ Pandora_Wmi::convertWMIDate (string wmi_date, SYSTEMTIME *system_time)
  * Runs a program in a new process.
  *
  * @param command Command to run, with parameters
+ * @param flags Process creation flags
  */
 bool
-Pandora_Wmi::runProgram (string command) {
+Pandora_Wmi::runProgram (string command, DWORD flags) {
 	PROCESS_INFORMATION process_info;
 	STARTUPINFO         startup_info;
 	bool                success;
@@ -537,7 +538,7 @@ Pandora_Wmi::runProgram (string command) {
 	
 	pandoraDebug ("Start process \"%s\".", command.c_str ());
 	cmd = strdup (command.c_str ());
-	success = CreateProcess (NULL, cmd, NULL, NULL, FALSE, 0,
+	success = CreateProcess (NULL, cmd, NULL, NULL, FALSE, flags,
 				 NULL, NULL, &startup_info, &process_info);
 	pandoraFree (cmd);
 	
diff --git a/pandora_agents/win32/windows/pandora_wmi.h b/pandora_agents/win32/windows/pandora_wmi.h
index 93fb6ff441..f53ced9063 100644
--- a/pandora_agents/win32/windows/pandora_wmi.h
+++ b/pandora_agents/win32/windows/pandora_wmi.h
@@ -58,7 +58,7 @@ namespace Pandora_Wmi {
 	void          convertWMIDate        (string wmi_date,
 					     SYSTEMTIME *system_time);
 	
-	bool          runProgram            (string command);
+	bool          runProgram            (string command, DWORD flags = 0);
 	bool          startService          (string service_name);
 	bool          stopService           (string service_name);
  	void          runWMIQuery       (string wmi_query,