Steam won't update

[xgmx]

I know there are already over 5000 posts on the official Steam forum about this and the problem has been going on since 2007 (according to Steam), but I spoke with 3 friends at school who play Garry's Mod & Portal, they said that Steam worked for them now, yet it still doesn't work for me.

 

[Wing Zero]

keep looking around. there was a file you can delete to make it work but i dont remember what