upgrade errors

Asked by joshuntu

When i try to run update manager i get this message, i have no idea how to fix it and i also recieve error messages saying that certain keys are missing and that these packages were not authenticated
gcc-4.2-base
ntpdate
syslinux
syslinux-common

any help?

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joshuntu
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joshuntu (fifaplayer1213) said :
#1

i'd like to provide screen shots but do not see how,

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Soul-Sing (soulzing) said :
#2

Could you copy/paste the errormessage while processing
sudo apt-get update
sudo apt-get upgrade

thx!

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joshuntu (fifaplayer1213) said :
#3

thank you for your help but i just did a clean install and it is all working fine now, thank you :)