package memtest86+ 4.20-1.1ubuntu9 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Janet Seals]

trying to install flashplayer

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: memtest86+ 4.20-1.1ubuntu9
ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
Uname: Linux 3.11.0-12-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.17.2-0ubuntu1.5
Architecture: amd64
Date: Mon Oct 19 14:23:32 2015
DuplicateSignature: package:memtest86+:4.20-1.1ubuntu9:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt 1.0.9.7ubuntu4.1
SourcePackage: grub2
Title: package memtest86+ 4.20-1.1ubuntu9 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to vivid on 2015-10-02 (17 days ago)

[Phillip Susi (psusi)]

Please post the output of "df".

[Launchpad Janitor (janitor)]

[Expired for grub2 (Ubuntu) because there has been no activity for 60 days.]