Why can't I log into messenger?

when i log in to my yahoo messenger it will log back off ..log on and off....or it will log off then i have to log on..and this is over and over...ive tried everything i know...can someone please help me...

Why i cant log on to windows live messenger ? it says that my firewall is blocking me so i cant log in what can i do i dont know where is firewall, we were unable to sign you into ...show more

Heres what happend... i was using YM for 10 mins then i decided to restart my pc... then when i come back i cant log i to YM anymore... i never get pass to "signning in as (username)... But i can log into to the YM option in the mail... can someone...

i have tried to log into yahoo messenger under my yahoo id, it wont let me.but i can get into any chat client i want to in the same id,,what could be up ??

i can"t log on to yahoo chat from from my yahoo messenger. normally i used to log on to the chat room from my messenger but now i can"t.

why cant i log in my yahoo messenger thru my phone anymore?a secure connection cannot be established y is that?

Why i cant log in to my messenger account? I am always reapeating myself to sign in and its annoying me at all.

i can go online, and i'm able to access all websites. whenever i try to log into yahoo messenger it wont let me log on. my id and password is correct. i even removed the program from my computer and reloaded, but it still wont let me access. i have no...

I was able to log into my messenger this morning, then around noon I tried logging in again and it said "There was a problem signing into Yahoo! messenger. Please try again a little bit later" Well Its been like 5 hours later and it still wont...