help please primary.sqlite.bz2 ???

hi how are you all
this is it "primary.sqlite.bz2 " every time i try and install a thing through the terminal
like
sudo yum install make
... it tells me it is trying to download "primary.sqlite.bz2 " and the checksum is different ... and i can't install a thing
this happined after downloading and installing real player i think ... from the official website... and i can't get it to work

this is a copy of the terminal screen

please help me

Code:

[user@minifire Downloads]$ sudo yum install make
audit_log_user_command(): Connection refused
primary.sqlite.bz2        100% |=========================| 450 kB    00:06     
[url]http://rpm.livna.org/fedora/8/i386/repodata/primary.sqlite.bz2:[/url] [Errno -1] Metadata file does not match checksum
Trying other mirror.
primary.sqlite.bz2        100% |=========================| 450 kB    00:09     
[url]http://livna.cat.pdx.edu/fedora/8/i386/repodata/primary.sqlite.bz2:[/url] [Errno -1] Metadata file does not match checksum
Trying other mirror.
primary.sqlite.bz2        100% |=========================| 450 kB    00:34     
[url]http://wftp.tu-chemnitz.de/pub/linux/livna/fedora/8/i386/repodata/primary.sqlite.bz2:[/url] [Errno -1] Metadata file does not match checksum
Trying other mirror.
[url]http://mirror.atrpms.net/livna/fedora/8/i386/repodata/primary.sqlite.bz2:[/url] [Errno 14] HTTP Error 404: Not Found
Trying other mirror.
Error: failure: repodata/primary.sqlite.bz2 from livna: [Errno 256] No more mirrors to try.
[user@minifire Downloads]$ sudo yum install xine
audit_log_user_command(): Connection refused
primary.sqlite.bz2        100% |=========================| 450 kB    00:06     
[url]http://rpm.livna.org/fedora/8/i386/repodata/primary.sqlite.bz2:[/url] [Errno -1] Metadata file does not match checksum
Trying other mirror.
primary.sqlite.bz2        100% |=========================| 450 kB    00:03     
[url]http://livna.cat.pdx.edu/fedora/8/i386/repodata/primary.sqlite.bz2:[/url] [Errno -1] Metadata file does not match checksum
Trying other mirror.
primary.sqlite.bz2        100% |=========================| 336 kB    00:02     
[url]http://mirror.atrpms.net/livna/fedora/8/i386/repodata/primary.sqlite.bz2:[/url] [Errno 14] HTTP Error 404: Not Found
Trying other mirror.
primary.sqlite.bz2        100% |=========================| 450 kB    00:47     
[url]ftp://mirrors.tummy.com/pub/rpm.livna.org/fedora/8/i386/repodata/primary.sqlite.bz2:[/url] [Errno -1] Metadata file does not match checksum
Trying other mirror.
Error: failure: repodata/primary.sqlite.bz2 from livna: [Errno 256] No more mirrors to try.