package mono-gac 2.10.8.1-5ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 139

[Nicholas]

So what is this mono bug thing?

ProblemType: Package
DistroRelease: Ubuntu 13.04
Package: mono-gac 2.10.8.1-5ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-25.37-generic 3.8.13
Uname: Linux 3.8.0-25-generic i686
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: i386
Date: Fri Jul 26 20:32:18 2013
DuplicateSignature: package:mono-gac:2.10.8.1-5ubuntu1:subprocess installed post-installation script returned error exit status 139
ErrorMessage: subprocess installed post-installation script returned error exit status 139
InstallationDate: Installed on 2013-06-02 (54 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release i386 (20130424)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: mono
Title: package mono-gac 2.10.8.1-5ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 139
UpgradeStatus: No upgrade log present (probably fresh install)