package mysql-server-5.1 5.1.31-1ubuntu2 failed to install/upgrade: el subproceso post-installation script devolvi? el c?digo de salida de error 1

[navi]

Binary package hint: mysql-server-5.0

After install mysql 5.1, when I tried to install the rest of LAMP Synaptic tried to uninstall mysql 5.1 and install mysql 5.0 but it crash because depencies problems, and Synaptic can't fix

ProblemType: Package
Architecture: i386
DistroRelease: Ubuntu 9.04
ErrorMessage: el subproceso post-installation script devolvió el código de salida de error 1
NonfreeKernelModules: fglrx
Package: mysql-server-5.1 5.1.31-1ubuntu2
SourcePackage: mysql-dfsg-5.1
Title: package mysql-server-5.1 5.1.31-1ubuntu2 failed to install/upgrade: el subproceso post-installation script devolvió el código de salida de error 1
Uname: Linux 2.6.28-14-generic i686

[Mathias Gug (mathiaz)]

Downgrading from 5.1 to 5.0 is not supported.