package halevt 0.1.6.2-1.3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 100

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Binary package hint: halevt

it was during the update, I'm unable to link ed2k links with amule in firefox

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: halevt 0.1.6.2-1.3
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae 2.6.38.2
Uname: Linux 2.6.38-8-generic-pae i686
Architecture: i386
Date: Sat Apr 30 11:42:42 2011
ErrorMessage: subprocess installed post-installation script returned error exit status 100
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
SourcePackage: halevt
Title: package halevt 0.1.6.2-1.3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 100
UpgradeStatus: Upgraded to natty on 2011-04-28 (1 days ago)