Hi,
It's really easy to fix it a 800700002 error is a simple OBJCT NAME NOT FOUND ....
for me is just the Accessibility folder who was miss it !
i have juste create a new on into C:\ProgramData\Microsoft\Windows\Start Menu\Programs and the update work fine
for more détails the thread is here :
http://forum.infosub.fr/viewtopic.php?f=9&t=23&sid=ecb82b85cb90e70f3df9fed25a5fbcc0` `
look into you CBS.log
2014-11-25 14:22:12, Error CSI 00000ed8 (F) STATUS_OBJECT_NAME_NOT_FOUND #14161981# from Windows::Rtl::SystemImplementation::CSystemIsolationLayer_IRtlSystemIsolationLayerTearoff::OpenFilesystemDirectory(flags = 0, da = (FILE_ALL_ACCESS), dn = [ml:520{260},l:140{70}]"\??\C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessibility", sa = (FILE_SHARE_READ|FILE_SHARE_DELETE), oo
bye