diff --git a/src/opengnsys/modules/server/ogAdmClient/__init__.py b/src/opengnsys/modules/server/ogAdmClient/__init__.py
index 64e0798..c42ce07 100644
--- a/src/opengnsys/modules/server/ogAdmClient/__init__.py
+++ b/src/opengnsys/modules/server/ogAdmClient/__init__.py
@@ -285,12 +285,16 @@ class ogAdmClientWorker (ServerWorker):
         logger.debug ('subprocess.run ("{}", capture_output=True)'.format (proc))
         p = subprocess.run (proc, capture_output=True)
         if 0 != p.returncode:
-            raise Exception ('command failed')     ## TODO mejorar este mensaje
+            cmd_txt = ' '.join (proc)
+            logger.error (f'command ({cmd_txt}) failed, stderr follows:')
+            for l in p.stderr.strip().decode ('utf-8').splitlines():
+                logger.error (f'  {l}')
+            raise Exception (f'command ({cmd_txt}) failed, see log for details')
         return p.stdout.strip().decode ('utf-8')
 
     def tomaIPlocal (self):
         try:
-            self.IPlocal = self.interfaceAdmin ('getIpAddress');
+            self.IPlocal = self.interfaceAdmin ('getIpAddress')
         except Exception as e:
             logger.error (e)
             logger.error ('No se ha podido recuperar la dirección IP del cliente')
@@ -471,8 +475,7 @@ class ogAdmClientWorker (ServerWorker):
         if (not url): url = self.urlMenu
         os.system ('pkill -9 browser');
 
-        #p = subprocess.Popen (['/opt/opengnsys/bin/browser', '-qws', url])        ## TODO
-        p = subprocess.Popen (['/usr/bin/xeyes'])
+        p = subprocess.Popen (['/opt/opengnsys/bin/browser', '-qws', url])
         try:
             p.wait (2)       ## if the process dies before 2 seconds...
             logger.error ('Error al ejecutar la llamada a la interface de administración')
@@ -605,7 +608,7 @@ class ogAdmClientWorker (ServerWorker):
             self.muestraMensaje (20)
         else:
             if not os.path.exists (sft_src):
-                raise Exception (f'interfaceAdmin({nfn}) returned success but did not create file ({sft_src}) under /tmp')
+                raise Exception (f'interfaceAdmin({nfn}) returned success but did not create file ({sft_src})')
             sft_src_contents = Path (sft_src).read_bytes()
 
             ## Envía fichero de inventario al servidor
@@ -681,7 +684,7 @@ class ogAdmClientWorker (ServerWorker):
                 output = self.interfaceAdmin (nfn, [dsk, par, nci, ipr])
                 self.muestraMensaje (9)
                 herror = 0
-            except Exception as e:
+            except:
                 logger.warning ('Error al ejecutar el comando')
                 self.muestraMensaje (10)
                 herror = 1