rpm包不能安装了

我的系统是centos5。2 升级了内核后不能安装rmp包了 正常的时候鼠标双击就可以自己安装了。可是
鼠标双击的了以后出现打开归档管理器的界面了。不知道是怎么回事。
用rpm命令安装出想下面的提示
[root@localhost ~]# rpm vih AdobeReader_chs-8.1.3-1.i486.rpm
RPM version 4.4.2
Copyright (C) 1998-2002 - Red Hat, Inc.
This program may be freely redistributed under the terms of the GNU GPL

用法: rpm [-aKfgpWHqV] [-aKfgpWHqVcdils] [-aKfgpWHqVcdilsaKfgpWHqV] [-aKfgpWHqVcdilsaKfgpWHqV] [-aKfgpWHqVcdilsaKfgpWHqV] [-aKfgpWHqVcdilsaKfgpWHqVK] [-aKfgpWHqVcdilsaKfgpWHqVK] [-aKfgpWHqVcdilsaKfgpWHqVKi] [-aKfgpWHqVcdilsaKfgpWHqVKiv] [-aKfgpWHqVcdilsaKfgpWHqVKiv] [-aKfgpWHqVcdilsaKfgpWHqVKiv?] [-a|--all] [-f|--file] [-g|--group]
[-p|--package] [-W|--ftswalk] [--pkgid] [--hdrid] [--fileid]
[--specfile] [--triggeredby] [--whatrequires] [--whatprovides]
[--nomanifest] [-c|--configfiles] [-d|--docfiles] [--dump] [-l|--list]
[--queryformat=QUERYFORMAT] [-s|--state] [--nomd5] [--nofiles]
[--nodeps] [--noscript] [--comfollow] [--logical] [--nochdir]
[--nostat] [--physical] [--seedot] [--xdev] [--whiteout]
[--addsign] [-K|--checksig] [--delsign] [--import] [--resign]
[--nodigest] [--nosignature] [--initdb] [--rebuilddb] [--aid]
[--allfiles] [--allmatches] [--badreloc] [-e|--erase +]
[--excludedocs] [--excludepath=] [--fileconflicts] [--force]
[-F|--freshen +] [-h|--hash] [--ignorearch] [--ignoreos]
[--ignoresize] [-i|--install] [--justdb] [--nodeps] [--nomd5]
[--nocontexts] [--noorder] [--nosuggest] [--noscripts]
[--notriggers] [--oldpackage] [--percent] [--prefix=]
[--relocate==] [--repackage] [--replacefiles]
[--replacepkgs] [--test] [-U|--upgrade +]
[-D|--define 'MACRO EXPR'] [-E|--eval 'EXPR'] [--macros=]
[--nodigest] [--nosignature] [--rcfile=] [-r|--root ROOT]
[--querytags] [--showrc] [--quiet] [-v|--verbose] [--version]
[-?|--help] [--usage] [--scripts] [--setperms] [--setugids]
[--conflicts] [--obsoletes] [--provides] [--requires] [--info]
[--changelog] [--xml] [--triggers] [--last] [--filesbypkg]
[--fileclass] [--filecolor] [--filecontext] [--fscontext]
[--recontext] [--fileprovide] [--filerequire] [--redhatprovides]
[--redhatrequires] [--buildpolicy=] [--with=]
[--without=]
[root@localhost ~]#