Hi, I just read the thread in which it is suggested to access a ftp server instead of http to solve the "header is not complete" error when behind a proxy. In my case it doesn't work (the output I get is included below). I am using the yum version that comes with FC4. Any suggestions? Thanks, Hector # yum update Setting up Update Process Setting up repositories updates-released 951 B 00:00 extras 1.1 kB 00:00 base 1.1 kB 00:00 Reading repository metadata in from local files primary.xml.gz 144 kB 00:00 updates-re: ################################################## 417/417 Added 50 new packages, deleted 0 old in 1.75 seconds Resolving Dependencies --> Populating transaction set with selected packages. Please wait. ---> Downloading header for hwdata to pack into transaction set. hwdata-0.158.1-1.noarch.rpm 257 kB 00:00 ftp://ftp.riken.jp/Linux/fedora/core/updates/4/i386/hwdata-0.158.1-1.noarch.rpm: [Errno -1] Header is not complete. Trying other mirror. Error: failure: hwdata-0.158.1-1.noarch.rpm from updates-released: [Errno 256] No more mirrors to try.