[CentOS-es] ACTUALIZACIONES

Hola que tal todos

tengo un problema con un servidor centos 5 quiero actualizarlo con yum -y intall update pero me marca esto

The other application is: yum-updatesd-he Memory : 16 M RSS ( 58 MB VSZ) Started: Sat Mar 8 08:54:14 2014 - 2:51:30 ago State : Sleeping, pid: 18703 Another app is currently holding the yum lock; waiting for it to exit... The other application is: yum-updatesd-he Memory : 16 M RSS ( 58 MB VSZ) Started: Sat Mar 8 08:54:14 2014 - 2:51:32 ago State : Sleeping, pid: 18703 Another app is currently holding the yum lock; waiting for it to exit... The other application is: yum-updatesd-he Memory : 16 M RSS ( 58 MB VSZ)

y no se que hacer