=== modified file 'usbcreator/backend.py'
--- usbcreator/backend.py	2008-10-21 06:06:19 +0000
+++ usbcreator/backend.py	2008-10-21 19:42:19 +0000
@@ -445,12 +445,19 @@
         dev_obj = self.bus.get_object("org.freedesktop.Hal", dev.GetProperty('info.parent'))
         dev = dbus.Interface(dev_obj, "org.freedesktop.Hal.Device")
         rootdev = dev.GetProperty('block.device')
-        tmp = device.lstrip(rootdev)
+        tmp = device.replace(rootdev, '')
         num = re.match('.*([0-9]+)$', tmp).groups()[0]
         self.log('Marking partition %s as active.' % num)
         if not num:
             self.frontend.failed('Unable to determine the partition number.')
 
+        # Install the bootloader to the MBR.
+        self.log('installing the bootloader to %s.' % rootdev)
+        process = popen(['dd' 'if=/usr/lib/syslinux/mbr.bin',
+            'of=%s' % rootdev, 'bs=446', 'count=1', 'conv=sync'])
+        if process.returncode:
+            self.frontend.failed('Error installing the bootloader.')
+        # Install the bootloader to the partition boot sector.
         self.log('installing the bootloader to %s.' % device)
         args = ['syslinux']
         if 'USBCREATOR_SAFE' in os.environ: