package mysql-server-5.1 5.1.37-1ubuntu5.1 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1

[Sebastian Godoy]

I have ubuntu 9.10

ProblemType: Package
Architecture: amd64
Date: Mon Mar 7 14:10:06 2011
DistroRelease: Ubuntu 9.10
ErrorMessage: subprocess new pre-removal script returned error exit status 1
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
MySQLConf.etc.mysql.conf.d.mysqld.safe.syslog.cnf:
 [mysqld_safe]
 syslog
MySQLVarLibDirListing: ['newwmbt', 'mysql', 'jamonesisaacmartin', 'mysql_upgrade_info', 'trash', 'wmbt', 'wmbtproject', 'xwiki', 'ib_logfile0', 'nicetobook', 'bookengine', 'bookengine_copy', 'silken', 'tuderechos2', 'gu', 'ibdata1', 'debian-5.1.flag', 'ib_logfile1']
Package: mysql-server-5.1 5.1.37-1ubuntu5.1
ProcVersionSignature: Ubuntu 2.6.31-22.73-generic
SourcePackage: mysql-dfsg-5.1
Title: package mysql-server-5.1 5.1.37-1ubuntu5.1 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1
Uname: Linux 2.6.31-22-generic x86_64