It is suspected that KFA blocks the installation of windows update. After installing 100%, error 0x80070005 appears. No problem occurred with other antivirus before.
DISM and SFC tests passed, when pause protection for 10 minutes, the windows update was successfully executed again and the problem did not occur again.
※This problem did not occur when using bitdefender and avira in Windows September and October updates
OS： Win 10 2004 19041.630