Live Messenger Cannot Sign-in … 80072745 Error in Live Messenger – Solved!
This Blog is written in two languages. / Ce blog est en deux langues.
English
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The 80072745 Error
I’ve been getting the 80072745 error in Windows Live Messenger the last 4 days. I contacted Microsoft but there was no answer from their side. I searched a lot but no solution on the net seemed to work with the error I was getting.
I’ve installed Live messenger 8.0, Live Messenger 8.5 and also the beta version (9.0) but every time, the same error pop up. I tried to remove the messenger and reinstall it but no luck! I removed even the registry keys messenger uses and installed it again, but nothing changed. The troubleshooting wizard reported that everything was fine and the connection was OK!
I installed Windows Messenger 5.1 for XP and tried to login, and that WORKED!! so I found out that there’s no problem with my account, my IP or microsoft services’ servers!
After some tests, I found out that the problem is that I can’t send data to the messenger servers. I had OUTPOST FIREWALL PRO 2008 installed on my computer. I configured the firewall to trust Live Messenger and allow TCP and UDP communications for the messenger, but the problem was still there. I uninstalled Outpost Firewall and restarted the computer, but still no luck!
The Solution
Today, I thought again about what might cause the problem… my antivirus software… it might be blocking some live messenger activities. I had ESET NOD32 PRO Antivirus installed on my system. By uninstalling the antivirus and restarting the system, Windows Live Messenger could connect again!!
Well, please keep in mind that IT IS ESSENTIAL to have an antivirus and very recommended to have a Firewall, but sometimes incompatibility issues might show up.
Now I’ll be using McAfee VirusScan Enterprise 8.5 and McAfee Personal Desktop Firewall, because with these two, I had no compatibility issues yet!
So the 80072745 error: « We were unable to sign you in to the MSN Messenger, possibly because of a problem with your Internet connection. Please try again later. 80072745″ in Live Messenger is solved!
But remember that each situation should be studied well before trying anything. So, don’t rush into uninstalling your antivirus or firewall, first, try other alternatives listed here:
- http://martinjknight.wordpress.com/2006/10/26/resolving-the-issue-of-those-using-msn-messenger-error-code-80072745/
- http://www.stupidprogrammer.com/PermaLink,guid,f9cb4612-581d-41b1-8c3c-a3f0a23b1ef3.aspx
And feel free to contact me if you have any issues on this topic. The best and fastest way would be to let comments here and to subscribe to the RSS feeds to be able to follow up the discussion(s).
Please remember to Digg and rate this article if it helped you out!
Français
J’ai reçu l’erreur 80072745 dans Windows Live Messenger, les 4 derniers jours. J’ai contacté Microsoft, mais aucune réponse de leur part. J’ai chercher sur google beaucoup mais aucune solution sur le net semblait fonctionner avec mon problème. J’ai essayé la version Live messenger 8.0 , Live Messenger 8.5 ainsi que la version beta (9.0), mais tout le temps, la même erreur se produisait.J’ai essayé d’enlever le messenger et le réinstaller, mais pas de chance! J’ai même enlevé les clés de registre que messenger utilise et j’ai installé de nouveau, mais rien n’a changé.
L’assistant de dépannage a indiqué que tout allait bien et la connexion est OK!
J’ai installé Windows Messenger 5,1 pour XP et a essayé de me connecter, et ca MARCHE!
Alors j’ai découvert que il n’ya pas de problème avec mon compte, mon IP, ou les services ou serveurs de microsoft!Après quelques essais, je suis arrivé a la conclusion que le problème est que je ne peux pas envoyer des données vers le serveur de messagerie de MSN.
J’avais OUTPOST FIREWALL PRO 2008 installé sur mon ordinateur. J’ai configuré le pare-feu tel que Live Messenger soit permis a ce connecter et à permettre les communications TCP et UDP pour le messenger, mais le problème était toujours là. J’ai désinstallé Outpost Firewall et redémarré l’ordinateur, mais toujours pas de chance!
Aujourd’hui, j’ai pense à nouveau à ce qui pourrait causer le problème … Et j’ai vu que mon logiciel antivirus peut bloquer une partie des activités du messenger.J’avais « ESET NOD32 PRO Antivirus » installé sur mon système. En désinstallant l’antivirus et de redémarrer le système, Windows Live Messenger pourrait se connecter à nouveau! Et je suis de retour sur le réseau!
Eh bien, s’il vous plaît gardez à l’esprit que, IL EST INDISPENSABLE d’avoir un antivirus et très recommandé d’avoir un pare-feu, mais parfois des incompatibilités pourraient apparaître.
Maintenant, j’installe « McAfee VirusScan Enterprise 8.5″ et « McAfee Personal Desktop Firewall », car avec ces deux, j’ai pas de problème de compatibilité pour l’instant!
Donc, l’erreur 80072745 : « Nous n’avons pas pu vous connecter à MSN Messenger, peut-être à cause d’un problème avec votre connexion Internet. S’il vous plaît réessayer ultérieurement. 80072745″ dans Live Messenger est résolu!
Mais rappelez-vous que chaque situation doit être étudiée bien avant de tenter quoi que ce soit. Donc, ne vous précipitez pas de désinstaller votre antivirus ou pare-feu, d’abord, essayez d’autres solutions citées ici:
- http://martinjknight.wordpress.com/2006/10/26/resolving-the-issue-of-those-using-msn-messenger-error-code-80072745/
- http://www.stupidprogrammer.com/PermaLink,guid,f9cb4612-581d-41b1-8c3c-a3f0a23b1ef3.aspx
Et n’hésitez pas à me contacter si vous avez des questions sur ce sujet. Laissez des commentaires ici et suscrivez vous aux flux RSS pour assurer la suite de la discussion.
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falew Nico Says
é so abrir o nod32 , clik em cong avanças e selecione Protocolo Filterting e altere a selação pra Http e pop3 portas.
iiii pronto problema solucionado !!!!!
naum abra mao d ter nod 32 (considerado uns dos melhores do antivirus do mundo se naum o melhor)
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Hi Guys,
having the same problem, dont have Nod32 only windows firewall and windows Live OneCare, turned them both off and still getting the error message!
Any ideas on how to fix this??
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Thank you very much. 55
???????? ???? ^^
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Thanks Dallan!
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thanx nico
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o meu eu estava mexendo no menssager do nda caiu a net ai a net volto e o msn nao pqe issu ?
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@bruno: I didn’t understand your msn issue, could you please explain in English?
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hi, my msn wont let me sign in it says there is an error with the code 80072745 … i use avira antivirus and i seriously dont know what to do… so could soe please help me and email me at {REMOVED BY ADMIN}
I REALLY NEED TO GET BACK ON MSN
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@Andy: Please read this article and all its comments, it might help you. for example I suggest you try this, and also do some research on possible issues between your antivirus (and firewall, if any) and MSN connectivity. On the other hand, check your MSN account for the country you have set in your profile.
and also try to uninstall live messenger (then restart your computer)and reinstall Live Messenger again.
You may also try to clear the cache and delete cookies of your default web browser.
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thnx for tthhe comment yarrrr.,,,,,it was really the nod f*****g sh**
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Dallan??????????Nico??????NOD32 ESS 3.0.672.0?????????????well done!
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Dallan provided an easy and straithforward solution
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Booaa Nicos !!
NOD32 tava barrando mesmo !
Valeuu Obrigadoo !! Otima Dicaa !!
Abraçoss
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I have found the problem, The solution for me was to disable the option of Internet Traffic on ESET NOD 32 Antivirus. It is in Configuration – Internet Traffic configuration- when you are in the tree go to option Antivirus & Antispyware -> Internet traffic protection -> HTTP -> Internet Navigators, and un-check the option of msnmsgr.exe , I think that the problem was that NOD32 was blocking the traffic. After this it works fine.
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I had the same problem, but did what Nico suggested and msn logged straight in.
Thank you Nico xxx
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i actuallay have eset smart security 3.0.670.0, and got the same embarassing problem with both yahoo nd msn messenger and found a way to solve it it’s too simple, all you have to do is to go to personnal firewall ==> advanced firewall setup ==>protocol filtering==> redirect for filtering ==> and then you click the 1st choice wich is HTTP and POP3 ports, this surely will work
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Thanks a bunch Nico! Helped me
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baslat -> calistir
notepad c:\windows\system32\drivers\etc\hosts
enter. aç?lan dosyan?n en alt?na;
65.54.239.80 messenger.hotmail.com
65.54.239.80 dp.msnmessenger.akadns.net
yaz?p kaydediyoruz.
ve sorun ortadan kalkm?st?r. gecmi? olsun.
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thx nico!
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Dallan’s solution is perfect, worked for me!
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after a blengthy try again tonight i could not login to my e-mail. guess that is one item more that i will not be able to use. I don’t need to sign in to every thing i do on line. dvtoney3@bellsouth.net
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