TROUBLE updating my system! ;_;

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http://forums.fedoraforum.org – I was doing software updare under administration, but I can't update my poor baby. I just installed F12 I get errors like the ones below. Click on links for the pics http://imgur.com/10p5k.png and http://imgur.com/KZLL9.png If you have ad this problem and managed to fix it, or not have had this problem at all and know how to fix it. Please help a brotha out. (HowTos)