Description of problem:
I don't remember what has happened exactly, i formated my drive with terminal and the fdisk command(had 2 OS - windows and linux), and after i folowed the steps for installing Fedora 20. i went out with my dog at 80% installed and when i came back it was with compleated installation and the bug window showed - something about lib/x64/python2.6(maybe different version and different path sequence). Hope this was helpfull . Regards

Version-Release number of selected component:
anaconda-20.25.15-1.fc20.x86_64

The following was filed automatically by anaconda:
anaconda 20.25.15-1 exception report
Traceback (most recent call first):
  File "/usr/lib64/python2.7/site-packages/pyanaconda/packaging/livepayload.py", line 96, in progress
    mnt_stat = os.statvfs(ROOT_PATH+mnt)
  File "/usr/lib64/python2.7/threading.py", line 764, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/threads.py", line 192, in run
    threading.Thread.run(self, *args, **kwargs)
OSError: [Errno 2] Няма такъв файл или директория: '/mnt/sysimage/boot'

Additional info:
cmdline:        /usr/bin/python  /sbin/anaconda --liveinst --method=livecd:///dev/mapper/live-base
cmdline_file:   initrd=initrd0.img root=live:CDLABEL=Fedora-Live-Desktop-x86_64-20-1 rootfstype=auto ro rd.live.image quiet  rhgb rd.luks=0 rd.md=0 rd.dm=0  BOOT_IMAGE=vmlinuz0 
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         3.11.10-301.fc20.x86_64
other involved packages: python-libs-2.7.5-9.fc20.x86_64
product:        Fedora
release:        Fedora release 20 (Heisenbug)
type:           anaconda
version:        20