package drupal5 5.10-1ubuntu1.1 failed to install/upgrade: subprocess pre-removal script returned error exit status 1

[gmaravel]

Binary package hint: drupal5

1. Description: Ubuntu 8.10
Release: 8.10

2. drupal5:
  Installed: 5.10-1ubuntu1.1
  Candidate: 5.10-1ubuntu1.1
  Version table:
 *** 5.10-1ubuntu1.1 0
        500 http://archive.ubuntu.com intrepid-updates/universe Packages
        500 http://archive.ubuntu.com intrepid-security/universe Packages
        100 /var/lib/dpkg/status
     5.10-1ubuntu1 0
        500 http://archive.ubuntu.com intrepid/universe Packages

> I select "complete removal" from synaptic package manager but failed to removed it and gave an error

ProblemType: Package
Architecture: i386
DistroRelease: Ubuntu 8.10
ErrorMessage: subprocess pre-removal script returned error exit status 1
Package: drupal5 5.10-1ubuntu1.1
PackageArchitecture: all
SourcePackage: drupal5
Title: package drupal5 5.10-1ubuntu1.1 failed to install/upgrade: subprocess pre-removal script returned error exit status 1
Uname: Linux 2.6.27-14-generic i686