Hi Goutam-- [root@ren ~]# rpm -ev --nodeps libsane-hpaio error: package libsane-hpaio is not installed [root@ren ~]# rpm -ev hplip error: Failed dependencies: libhpip.so.0()(64bit) is needed by (installed) hpijs-1.6.7-6.el5_6.1.x86_64 hplip = 1.6.7-6.el5_6.1 is needed by (installed) hpijs-1.6.7-6.el5_6.1.x86_64 [root@ren ~]# rpm -ev hpijs error: Failed dependencies: hpijs = 1:1.6.7-6.el5_6.1 is needed by (installed) hplip-1.6.7-6.el5_6.1.x86_64 [root@ren ~]# It seems that hpijs and hplip cannot be removed with rmp -ev command-- as I've shown above. I next tried: [root@ren ~]# yum erase hplip Loaded plugins: rhnplugin, security Setting up Remove Process Resolving Dependencies --> Running transaction check ---> Package hplip.x86_64 0:1.6.7-6.el5_6.1 set to be erased --> Processing Dependency: libhpip.so.0()(64bit) for package: hpijs --> Processing Dependency: hplip = 1.6.7-6.el5_6.1 for package: hpijs --> Running transaction check ---> Package hpijs.x86_64 1:1.6.7-6.el5_6.1 set to be erased --> Finished Dependency Resolution Dependencies Resolved ======================================================================================================================================================= Package Arch Version Repository Size ======================================================================================================================================================= Removing: hplip x86_64 1.6.7-6.el5_6.1 installed 12 M Removing for dependencies: hpijs x86_64 1:1.6.7-6.el5_6.1 installed 439 k Transaction Summary ======================================================================================================================================================= Remove 2 Package(s) Reinstall 0 Package(s) Downgrade 0 Package(s) Is this ok [y/N]: y Downloading Packages: Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Erasing : hplip 1/2 Erasing : hpijs 2/2 Removed: hplip.x86_64 0:1.6.7-6.el5_6.1 Dependency Removed: hpijs.x86_64 1:1.6.7-6.el5_6.1 That seemed to work: [root@ren ~]# rpm -qa hplip [root@ren ~]# rmp -qa hpijs -bash: rmp: command not found [root@ren ~]# rpm -qa hpijs [root@ren ~]# rpm -qa libsane-hpaio So, I tried your command next: [root@ren tmp17]# rpm -Uvh hplip-3.11.5_rhel-5.0.x86_64.rpm Preparing... ########################################### [100%] file /etc/udev/rules.d/55-hpmud.rules from install of hplip-3.11.5-0.x86_64 conflicts with file from package hplip3-common-3.9.8-11.el5_6.1.x86_64 file /etc/udev/rules.d/56-hpmud_support.rules from install of hplip-3.11.5-0.x86_64 conflicts with file from package hplip3-common-3.9.8-11.el5_6.1.x86_64 [root@ren tmp17]# yum erase hplip3-common Loaded plugins: rhnplugin, security Setting up Remove Process Resolving Dependencies --> Running transaction check ---> Package hplip3-common.x86_64 0:3.9.8-11.el5_6.1 set to be erased --> Finished Dependency Resolution Dependencies Resolved ======================================================================================================================================================= Package Arch Version Repository Size ======================================================================================================================================================= Removing: hplip3-common x86_64 3.9.8-11.el5_6.1 installed 725 k Transaction Summary ======================================================================================================================================================= Remove 1 Package(s) Reinstall 0 Package(s) Downgrade 0 Package(s) Is this ok [y/N]: y Downloading Packages: Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Erasing : hplip3-common 1/1 Removed: hplip3-common.x86_64 0:3.9.8-11.el5_6.1 Complete! [root@ren tmp17]# [root@ren tmp17]# rpm -Uvh hplip-3.11.5_rhel-5.0.x86_64.rpm Preparing... ########################################### [100%] 1:hplip ########################################### [100%] ldconfig: /usr/local/lib/libmhash.so.2 is not a symbolic link Now it seemed to work. What is next step? thanks Nick Nick Stamatakos Chief, Earth Orientation Parameters Division US Naval Observatory, NW Washington, DC 20392 (w) 202-762-1518 ________________________________________ From: