Why won't my MSN open?

It's been 2 days and my windows live messenger still wont open. I ran it as an administrator, un-installed then re-installed it, ran a virus scan and found nothing, restarted my computer... What could be the problem? My operating system is Windows Vista...

I have a Dell laptop with a webcam already integrated in it. Whenever I open my MSN Messenger my webcam won't work, it shows as if I don't have a webcam. I checked the tools setting and went on my audio and video setup to make sure everything was right...

i have friends on yahoo but they dont recieve the emails i send from msn, i have just signed up to yahoo and sent myself an email from msn and it hasnt arrived any advice would be good please

My Msn wont log in , with my msn address but if i log in with a differnt adress it logs me staright in , When i try to logg in it takes longer for the msn people to stop spinning ...show more

for a while now me laptop has been ded slow so i ran an antivirus check and it sed i didnt have any so i got a new antivirus thing n ran that one n it sed i had 32 viruses so i got rid ov them all n ever since then my msn wont work ill sign in 2 it and...

like whenever i click it, it WILL NOT open. I can open other stuff, but msn is the only one that will not open :S

its my birthday on monday n i want to put a party face in my msn name but it won`t work any help

i use my msn and usually it tells me what song im listening to. i use itunes, and it shows the song. but now my msn wont show my song.

recently i have wiped my computer ... the internet works fine and so does every Program i have downloaded so far but when i try to download windows live Messenger ( any version ) i press download then it opens a paige which should open the downloaded...