when installing with ISO 14.04.06 (32bit), failed to change the mode of /etc/passwd- to 0600

[kuhongmo]

when installing with ISO 14.04.06 (32bit), failed to change the mode of /etc/passwd- to 0600

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubiquity 2.18.8.13
ProcVersionSignature: Ubuntu 4.4.0-142.168~14.04.1-generic 4.4.167
Uname: Linux 4.4.0-142-generic i686
ApportVersion: 2.14.1-0ubuntu3.29
Architecture: i386
CasperVersion: 1.340.2
Date: Thu Apr 2 07:34:01 2020
InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd quiet splash --- maybe-ubiquity
LiveMediaBuild: Ubuntu 14.04.6 LTS "Trusty Tahr" - Release i386 (20190304.5)
ProcEnviron:
 LANGUAGE=ko_KR.UTF-8
 TERM=linux
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=ko_KR.UTF-8
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)