install failed in macbookpro installer crashed

[Vijayanand]

installer crashed when installing in macbook pro

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubiquity 2.18.8.12
ProcVersionSignature: Ubuntu 4.2.0-27.32~14.04.1-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CasperVersion: 1.340.2
Date: Sat May 14 00:23:59 2016
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash --
LiveMediaBuild: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1)
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu Foundations Team Bug Bot (crichton)]

Exception during installation:
May 14 05:23:12 ubuntu /plugininstall.py: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)
May 14 05:23:12 ubuntu /plugininstall.py:

[Phillip Susi (psusi)]

You have files from a number of other distros/releases on your usb stick. You need to format the stick before reusing it to install a new distro/release.