Hello guys, all of sudden whenever i run yum update i get this:
has anybody had this problem?

Thanks

Gathering header information file(s) from server(s)
Server: Fedora Core 1 - i386 - Base
retrygrab() failed for:
http://mirrors.usc.edu/pub/linux/fedora/fedora/fedora/1/i386/RPMS.os/headers/
header.info
Executing failover method
Server: Fedora.us Extras (Stable)
retrygrab() failed for:
http://fedora.quicknet.nl/fedora/fedora/1/i386/RPMS.stable/headers/header.info
Executing failover method
retrygrab() failed for:
http://mirrors.usc.edu/pub/linux/fedora/fedora/fedora/1/i386/RPMS.stable/headers/
header.info
Executing failover method
retrygrab() failed for:
http://fedora.mirror.sdv.fr/fedora/fedora/1/i386/RPMS.stable/headers/header.info
Executing failover method
retrygrab() failed for:
http://download.fedora.us/fedora/fedora/1/i386/RPMS.stable/headers/header.info
Executing failover method
retrygrab() failed for:
http://mirrors.kernel.org/fedora.us/fedora/fedora/1/i386/RPMS.stable/headers/
header.info
Executing failover method
failover: out of servers to try
Error getting file http://fedora.quicknet.nl/fedora/fedora/1/i386/RPMS.stable/headers/header.info
[Errno 4] IOError: HTTP Error 404: Not Found

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I dont think that the repositories have been closed yet but, FC1 is at end of life...it is being taken over by the Fedora Legacy Project and I believe they will maintain a update repository...it is discussed in their faqs
check out http://www.fedoralegacy.org/

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Please be aware that Fedora Core 1 is really close to EOL (End of Life). Please consider upgrading to Core 2 or use fedora legacy (www.fedoralegacy.org)

Theres a sample configation for yum on Core 1 available from the f.a.q: http://www.fedorafaq.org/fc1/samples/yum.conf