diff --git a/client/lib/engine/bin/BootLib.py b/client/lib/engine/bin/BootLib.py
index a8ce397..c9e5e7d 100644
--- a/client/lib/engine/bin/BootLib.py
+++ b/client/lib/engine/bin/BootLib.py
@@ -135,6 +135,27 @@ def ogSetWindowsName (disk, par, name):
 #@exception OG_ERR_FORMAT    Formato incorrecto.
 #@exception OG_ERR_PARTITION Tipo de partición desconocido o no se puede montar.
 #*/ ##
+def ogFixBootSector (disk, par):
+    partype = DiskLib.ogGetPartitionId (disk, par)
+    if partype not in [ '1', '4', '6', '7', 'b', 'c', 'e', 'f', '17', '700', 'EF00' ]:
+        SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_PARTITION, '')
+        return
+
+    if not FileSystemLib.ogUnmount (disk, par):
+        SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_PARTITION, '')
+        return
+
+    disk0 = str (int (disk) - 1)
+
+    tmpfile = tempfile.NamedTemporaryFile (prefix='ogFBS-', mode='w').name
+    with open (tmpfile, 'w') as fd:
+        fd.write (f"""disk={disk0}
+main_part={par}
+fix_first_sector=yes
+""")
+    subprocess.run (['timeout', '--foreground', '--signal=SIGKILL', '5s', 'spartlnx.run', '-cui', '-nm', '-w', '-f', tmpfile], stdin=subprocess.DEVNULL)
+
+    os.remove (tmpfile)
 
 
 #/**
@@ -317,7 +338,7 @@ boot_entry=Herramienta de diagn<f3>stico de memoria de Windows
 #ogWindowsRegisterPartition ("1", "1", "c:", "1", "1")
 def ogWindowsRegisterPartition (registered_disk, registered_par, registered_vol, disk, par):
     registered_vol = registered_vol[0].upper()
-    tmpfile = tempfile.NamedTemporaryFile (prefix='ogWBP-', mode='w').name
+    tmpfile = tempfile.NamedTemporaryFile (prefix='ogWRP-', mode='w').name
 
     if not DiskLib.ogDiskToDev (registered_disk, registered_par):
         SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_PARTITION, 'particion a registrar')