Hello, I installed Synaptic 0.47 and its run well 2 days, on 3rd day is not running. I tryed from prompt, the following error is comming. Error is " Segmentation fault ". What I have to do now

a) If I try to re-install rpm package the message appear "All ready installed"
b) How can I uninstall any package in Linux (Fedora Core 1 I am using now)
c) I installed mplayer through Synaptic and it is running DVDs but without voice. But when I am playing AudioCD with CD Player or Audio Player so its running with Voice, and DVDs or CDs through mplayer without Voice. This is result of lsmod command...

Module.............Size........Used by.....Not tainted
i810_audio......27752......1
ac97_codec....17192......0................[i810_audio]
ac97.................5088.........0...............(unused)
soundcore.......6468........3................[i810_audio audio]
input................ 5888.........0...............(autoclean) [joydev keybdev hid mousedev]

I need your help/experiance..............Thanks for replying

Note: I am using dots to set values on correct position