Can't create backup ( Windows 7 x64 )

Update:

Response of bcdedit:

Windows Boot Manager
--------------------
identifier {bootmgr}
device partition=I:
description Windows Boot Manager
locale hu-HU
inherit: {globalsettings}
default {current}
displayorder {current}
timeout 30
resume:yes

Windows Boot Loader
-------------------
identifier {current}
device partition=C:
path \Windows\system32\winload.exe
description Windows 7
locale hu-HU
inherit:{bootloadersettings}
osdevice partition=C:
systemroot \Windows

Resume from Hibernate
---------------------

device partition=C:
path \Windows\system32\winresume.exe
description Windows Resume Application
locale hu-HU
inherit {resumeloadersettings}
filedevice partition=C:
filepath \hiberfil.sys
debugoptionenabled No

Windows Memory Tester
---------------------
identifier {memdiag}
device partition=I:
path \boot\memtest.exe
description Windows Memory Diagnostic
locale hu-HU
inherit:{globalsettings}
badmemoryaccess:yes