Dear all I have installed the F8 on my laptop. I am used to use yum normally. with no evident reason, yum does not work any more. Can yopu help me to debug this problem. look at the end of the log. there is an error message. Regards Adel yum -y install kile thunderbird klines skype kdevelop quanta kwebdev qt4 Setting up Install Process Parsing package install arguments No package klines available. No package kwebdev available. Resolving Dependencies --> Running transaction check ---> Package skype.i586 0:1.4.0.118-fc5 set to be updated --> Processing Dependency: qt4-x11 >= 4.2 for package: skype --> Processing Dependency: libQtGui.so.4 for package: skype ---> Package kile.i386 0:1.9.3-6.fc8 set to be updated ---> Package kdevelop.i386 9:3.5.0-4.fc8 set to be updated --> Processing Dependency: libkdevcppparser.so.0 for package: kdevelop --> Processing Dependency: libkdevbuildbase.so.0 for package: kdevelop --> Processing Dependency: libkdevshell.so.0 for package: kdevelop --> Processing Dependency: libkdevelop.so.1 for package: kdevelop --> Processing Dependency: libcvsservice.so.0 for package: kdevelop --> Processing Dependency: libkdevqmakeparser.so.0 for package: kdevelop --> Processing Dependency: libdocumentation_interfaces.so.0 for package: kdevelop --> Processing Dependency: libkdevwidgets.so.0 for package: kdevelop --> Processing Dependency: libkdevcatalog.so.0 for package: kdevelop --> Processing Dependency: libdesignerintegration.so.0 for package: kdevelop --> Processing Dependency: libgdbmi_parser.so.0 for package: kdevelop --> Processing Dependency: libprofileengine.so.0 for package: kdevelop --> Processing Dependency: libkdevpropertyeditor.so.0 for package: kdevelop --> Processing Dependency: kdevelop-libs = 9:3.5.0-4.fc8 for package: kdevelop --> Processing Dependency: libkdevbuildtoolswidgets.so.0 for package: kdevelop --> Processing Dependency: libkinterfacedesigner.so.0 for package: kdevelop --> Processing Dependency: liblang_interfaces.so.0 for package: kdevelop --> Processing Dependency: kdelibs3-devel >= 3.5.8 for package: kdevelop --> Processing Dependency: qt-designer for package: kdevelop --> Processing Dependency: liblang_debugger.so.0 for package: kdevelop --> Processing Dependency: libkdevextras.so.0 for package: kdevelop ---> Package kdewebdev.i386 6:3.5.8-3.fc8 set to be updated --> Processing Dependency: libkommanderwidget.so.0 for package: kdewebdev --> Processing Dependency: kdewebdev-libs = 6:3.5.8-3.fc8 for package: kdewebdev --> Processing Dependency: libkommanderwidgets.so.0 for package: kdewebdev --> Processing Dependency: tidy for package: kdewebdev ---> Package thunderbird.i386 0:2.0.0.9-1.fc8 set to be updated ---> Package qt4.i386 0:4.3.2-1.fc8 set to be updated --> Running transaction check ---> Package qt4-x11.i386 0:4.3.2-1.fc8 set to be updated ---> Package kdevelop-libs.i386 9:3.5.0-4.fc8 set to be updated ---> Package qt-designer.i386 1:3.3.8-9.fc8 set to be updated --> Processing Dependency: qt-devel = 1:3.3.8-9.fc8 for package: qt-designer ---> Package kdewebdev-libs.i386 6:3.5.8-3.fc8 set to be updated ---> Package kdesdk-libs.i386 0:3.5.8-2.fc8 set to be updated --> Processing Dependency: kdesdk = 3.5.8-2.fc8 for package: kdesdk-libs ---> Package tidy.i386 0:0.99.0-16.20070615.fc8 set to be updated --> Processing Dependency: libtidy-0.99.so.0 for package: tidy ---> Package kdelibs-devel.i386 6:3.5.8-7.fc8 set to be updated --> Processing Dependency: arts-devel for package: kdelibs-devel --> Processing Dependency: libkdnssd-devel for package: kdelibs-devel --> Running transaction check ---> Package kdnssd-avahi-devel.i386 0:0.1.3-0.2.20060713svn.fc8 set to be updated --> Processing Dependency: avahi-devel for package: kdnssd-avahi-devel ---> Package qt-devel.i386 1:3.3.8-9.fc8 set to be updated ---> Package kdesdk.i386 0:3.5.8-2.fc8 set to be updated --> Processing Dependency: perl(DCOP) for package: kdesdk ---> Package libtidy.i386 0:0.99.0-16.20070615.fc8 set to be updated ---> Package arts-devel.i386 8:1.5.8-4.fc8 set to be updated --> Running transaction check ---> Package avahi-devel.i386 0:0.6.21-6.fc8 set to be updated ---> Package kdebindings-dcopperl.i386 0:3.5.8-1.fc8 set to be updated --> Finished Dependency Resolution Dependencies Resolved ============================================================================= Package Arch Version Repository Size ============================================================================= Installing: kdewebdev i386 6:3.5.8-3.fc8 fedora 8.9 M kile i386 1.9.3-6.fc8 fedora 4.9 M skype i586 1.4.0.118-fc5 skype 13 M thunderbird i386 2.0.0.9-1.fc8 updates 23 M Installing for dependencies: arts-devel i386 8:1.5.8-4.fc8 fedora 214 k avahi-devel i386 0.6.21-6.fc8 fedora 41 k kdebindings-dcopperl i386 3.5.8-1.fc8 fedora 44 k kdelibs-devel i386 6:3.5.8-7.fc8 fedora 2.4 M kdesdk i386 3.5.8-2.fc8 fedora 7.0 M kdesdk-libs i386 3.5.8-2.fc8 fedora 248 k kdevelop i386 9:3.5.0-4.fc8 fedora 15 M kdevelop-libs i386 9:3.5.0-4.fc8 fedora 1.2 M kdewebdev-libs i386 6:3.5.8-3.fc8 fedora 301 k kdnssd-avahi-devel i386 0.1.3-0.2.20060713svn.fc8 fedora 11 k libtidy i386 0.99.0-16.20070615.fc8 fedora 141 k qt-designer i386 1:3.3.8-9.fc8 fedora 1.9 M qt-devel i386 1:3.3.8-9.fc8 fedora 11 M qt4 i386 4.3.2-1.fc8 fedora 2.0 M qt4-x11 i386 4.3.2-1.fc8 fedora 6.0 M tidy i386 0.99.0-16.20070615.fc8 fedora 101 k Transaction Summary ============================================================================= Install 20 Package(s) Update 0 Package(s) Remove 0 Package(s) Total download size: 97 M Downloading Packages: warning: rpmts_HdrFromFdno: Header V3 DSA signature: NOKEY, key ID d66b746e GPG key retrieval failed: [Errno 14] HTTP Error 404: Not Found