webmin failed update

  Installing package(s) with command yum -y install webmin ..

  Loaded plugins: fastestmirror
  Loading mirror speeds from cached hostfile
   * addons: centos.eecs.wsu.edu
   * base: mirror.sanctuaryhost.com
   * extras: ftp.telus.net
   * updates: mirror.nexcess.net
  Setting up Install Process
  Resolving Dependencies
  --> Running transaction check
  ---> Package webmin.noarch 0:1.510-1 set to be updated
  http://software.virtualmin.com/universal/repodata/filelists.xml.gz: [Errno -1] Metadata file does not match checksum
  Trying other mirror.
  Error: failure: repodata/filelists.xml.gz from virtualmin-universal: [Errno 256] No more mirrors to try.
   You could try using --skip-broken to work around the problem
   You could try running: package-cleanup --problems
                          package-cleanup --dupes
                          rpm -Va --nofiles --nodigest
  The program package-cleanup is found in the yum-utils package.

  .. install failed!

No packages were installed. Check the messages above for the cause of the error.



If you run "yum clean all", then attempt the update again, does it work for you?