Description of problem:
The following was filed automatically by anaconda:
anaconda 18.37.12 exception report
Traceback (most recent call first):
  File "/usr/lib64/python2.7/site-packages/pyanaconda/bootloader.py", line 1540, in install
    raise BootLoaderError("bootloader install failed")
  File "/usr/lib64/python2.7/site-packages/pyanaconda/bootloader.py", line 1554, in write
    self.install()
  File "/usr/lib64/python2.7/site-packages/pyanaconda/bootloader.py", line 2312, in writeBootLoader
    storage.bootloader.write()
  File "/usr/lib64/python2.7/site-packages/pyanaconda/install.py", line 137, in doInstall
    writeBootLoader(storage, payload, instClass, ksdata)
  File "/usr/lib64/python2.7/threading.py", line 504, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/threads.py", line 91, in run
    threading.Thread.run(self, *args, **kwargs)
BootLoaderError: bootloader install failed

Version-Release number of selected component:
anaconda-18.37.12-1.fc18.x86_64

Additional info:
cmdline:        /usr/bin/python  /sbin/anaconda --liveinst --method=livecd:///dev/mapper/live-osimg-min --lang ru_RU.UTF-8
cmdline_file:   initrd=/isolinux/initrd0.img root=live:UUID=AED3-1A7D rootfstype=auto ro rd.live.image quiet  rhgb vconsole.font=latarcyrheb-sun16 rd.luks=0 rd.md=0 rd.dm=0 BOOT_IMAGE=/isolinux/vmlinuz0 
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         3.6.10-4.fc18.x86_64
other involved packages: python-libs-2.7.3-13.fc18.x86_64
product:        Fedora
release:        Fedora release 18 (Spherical Cow)
type:           libreport
version:        18