Hi, for my F7 system, after I run "yum update"/"yum clean all", then I issue the following command: #rpm -Uhv http://mirror.anl.gov/pub/fedora/linux/releases/8/Fedora/i386/os/Packages/fedora-release-8-3.noarch.rpm http://mirror.anl.gov/pub/fedora/linux/releases/8/Fedora/i386/os/Packages/fedora-release-notes-8.0.0-3.noarch.rpm which succeed. but when I issue the followng command again: ----------------------- #yum -y update ----------------------- after sometime, the dependency check never end, I looked at the out put message closely , found that it enters a loop as following: -------------------------------------------- --> Running transaction check ---> Package ffmpeg-libs.i386 0:0.4.9-0.41.20071011.lvn8 set to be updated --> Processing Dependency: libx264.so.56 for package: ffmpeg-libs --> Processing Dependency: faad2 = 1:2.0 for package: ffmpeg-libs ---> Package yelp.i386 0:2.20.0-2.fc8 set to be updated --> Processing Dependency: gecko-libs = 1.8.1.8 for package: yelp --> Processing Dependency: compiz = 0.5.2 for package: compiz-fusion-plugins-extra --> Processing Dependency: compiz = 0.5.2 for package: compiz-fusion-plugins-main --> Processing Dependency: compiz = 0.5.2 for package: fusion-icon --> Processing Dependency: compiz = 0.5.2-0.1.fc7 for package: compiz-gnome ---> Package devhelp.i386 0:0.16.1-2.fc8 set to be updated --> Processing Dependency: gecko-libs = 1.8.1.8 for package: devhelp --> Running transaction check ---> Package ffmpeg-libs.i386 0:0.4.9-0.41.20071011.lvn8 set to be updated --> Processing Dependency: libx264.so.56 for package: ffmpeg-libs --> Processing Dependency: faad2 = 1:2.0 for package: ffmpeg-libs ---> Package yelp.i386 0:2.20.0-2.fc8 set to be updated --> Processing Dependency: gecko-libs = 1.8.1.8 for package: yelp --> Processing Dependency: compiz = 0.5.2 for package: compiz-fusion-plugins-extra --> Processing Dependency: compiz = 0.5.2 for package: compiz-fusion-plugins-main --> Processing Dependency: compiz = 0.5.2 for package: fusion-icon --> Processing Dependency: compiz = 0.5.2-0.1.fc7 for package: compiz-gnome ---> Package devhelp.i386 0:0.16.1-2.fc8 set to be updated --> Processing Dependency: gecko-libs = 1.8.1.8 for package: devhelp --> Running transaction check ---> Package ffmpeg-libs.i386 0:0.4.9-0.41.20071011.lvn8 set to be updated --> Processing Dependency: libx264.so.56 for package: ffmpeg-libs --> Processing Dependency: faad2 = 1:2.0 for package: ffmpeg-libs ---> Package yelp.i386 0:2.20.0-2.fc8 set to be updated --> Processing Dependency: gecko-libs = 1.8.1.8 for package: yelp --> Processing Dependency: compiz = 0.5.2 for package: compiz-fusion-plugins-extra --> Processing Dependency: compiz = 0.5.2 for package: compiz-fusion-plugins-main --> Processing Dependency: compiz = 0.5.2 for package: fusion-icon --> Processing Dependency: compiz = 0.5.2-0.1.fc7 for package: compiz-gnome ---> Package devhelp.i386 0:0.16.1-2.fc8 set to be updated --> Processing Dependency: gecko-libs = 1.8.1.8 for package: devhelp --> Running transaction check ---> Package ffmpeg-libs.i386 0:0.4.9-0.41.20071011.lvn8 set to be updated ----------------------------------------------------------- how to resolve this issue? Thanks for your help! Br, Zhu