When i start libra it says checking for updates and than when it try to download them this error pop up, idk what it is...didn't use libra for like 1-2 months, here is the ss, when i press ok, it block libra and when i press cancel, libra just close. http://imageshack.us/photo/my-images/715/unledhtt.png/

i got same problem....

Disable any antivirus or firewall you have running just for the update, then once done you can turn them on again.