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Old 07-02-2009
Join Date: Jul 2006
Posts: 182
Error code 80072745 in Windows Live Messenger

Hi, I Need help with windows live messenger error code 80072745. this error appears every time when i try to sign in from in from windows live messenger.

Thanks in advance for your help.
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Old 07-02-2009
Join Date: Apr 2008
Posts: 2,567
Re: error code 80072745 in Windows Live Messenger

Hi, try this
open the following file in notepad
add the following two lines to the bottom of the file messenger.hotmail.com dp.msnmessenger.skadns.net

align them with tab so they match any other entries and save the file.

go to a command prompt and type

ipconfig /flushdns

hope this helps.
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Old 07-02-2009
Join Date: May 2008
Posts: 2,786
Re: error code 80072745 in Windows Live Messenger

I have the exact same problem that you describe.After installing the latest version of nod32 (eset antivirus is been called now) and after rebooting MSN didn?t work anymore giving me the well know error code 80072745. I try all recommended solutions, nothing works!! After a lot of frustration I start thinking in some change made lately in my PC and the only one was the antivirus update (from 2.X to 3.X)? so I un-install my antivirus.. try to log to MSN and works marvelous as before.
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Old 07-02-2009
Join Date: Oct 2005
Posts: 2,357
Re: error code 80072745 in Windows Live Messenger

MSN Messenger is one of those programs that when it screws up, it screws up (and may take a few casualties with it). Usualy a troubleshooting step one goes through would be (finish one step, then try loging in again etc):

1. MSN Connection Troubleshooter
2. download any WinUpdates etc.. and scan for any virus. Reboot the pc, reboot the network/internet connection
3. Poking around in MSN's settings.. including proxy, firewalls, ports etc..
4. Likewise as above, poking through Internet Explorer's settings, and hence, also the rest of window's network/internet settings
5. Network ok?
6. Check through see if your other internet games/instant messenger/email clients/browsers etc does work..
7. close down every other programs that may/may not use the connection to the internet and see if that works.. or boot in safe mode if its easier
8. registry (backup first), task manager, and poke around em for a bit..
9. reinstall msn..
10. give up hope, and just use web messenger or a client msn messenger :p..... (sorry, couldnt help myself)

one note is that a full wipe and reload of windows "magicaly" fixes all problems.. as well as throwing that pc out the window...

If MSN Messenger doesnt want to connect, and some of your other programs wont connect as well, then there is something blocking the connection or ISP problem or actual server problem (some cases) etc.., you may have to open a port or some fixit to make it work...
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