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I am using Windows Live Messenger 2009 on Windows 7. I am using a 3G modem (ZTE Propietary USB Modem)

I connect to the Internet using a software my ISP provided me. In last three days, my Messenger started to disconnect.

Here is what I observed and tried to do:

1- I can browse web, can do FTP transfer etc. and obiviously have a valid IP.

2- I can sign in to Messenger (appear offline) but when I change my status to anything other then appear offline, Messenger says my connection to service has been lost. (However, it exists.)

3- When I run, MSN Connection Troubleshooter, it says my IP is invalid. When I click repair, it says repaired and just after that, I run the troubleshooter again, and it says my IP is invalid again. (However, it is valid and I am browsing the net.)

4- If I connect the Internet through eterhet or wireless there is no problem at all.

5- I re-installed Messenger (deleting all settings manually through registry and folders), re-installed all drivers and software related to USB 3G Modem. It doesn't work. And then, I took a full backup then formatted entire computer, installed a fresh windows 7, after 5 minutes, the same problem occured.

What do you recommend? What can I do?

Edit:

As seen on screenshot, it says Server IPv4 adress is 0.0.0.0 It seems like a problem, I don't know if it is. If it is, how can I solve it?

enter image description here

Here is what I get, when I netstat.

PPP adapter TTNET internet:

Connection-specific DNS Suffix . : IPv4 Address. . . . . . . . . . . : 217.174.39.122
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . : 0.0.0.0

Wireless LAN adapter Wireless Network Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :

Wireless LAN adapter Wireless Network Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : ege.edu.tr

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :

Tunnel adapter Local Area Connection* 16:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :

Tunnel adapter Local Area Connection* 13:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :

Tunnel adapter 6TO4 Adapter:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :

Tunnel adapter Local Area Connection* 9:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :

Tunnel adapter Local Area Connection* 11:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :

Tunnel adapter Local Area Connection* 12:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :

Tunnel adapter Local Area Connection* 14:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :

Tunnel adapter Local Area Connection* 17:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :

Tunnel adapter Local Area Connection* 25:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :

Tunnel adapter Local Area Connection* 20:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :

Tunnel adapter Local Area Connection* 18:

Media State . . . . . . . . . . . : Media disconnected

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3 Answers 3

Why not try Pidgin and see if that connects to MSN Messenger server? If so, then you know it's your client software. If not, then it's probably a network configuration issue.

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Try this:

  1. Start > Run
  2. Type regedit and press Enter
  3. Navigate to the following registry key:

    HKEY_CURRENT_USER\Software\Microsoft\MSNMessenger
    
  4. Delete the MSNMessenger key
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I already did that. Nothing changed. –  Umut Benzer Jan 24 '10 at 9:28

First try opening a Command Prompt (Win+R and type cmd <ENTER> ) and type

ipconfig

If should display an information more or less like this:

Windows IP Configuration

Ethernet adapter Windows Mobile:

   Connection-specific DNS Suffix  . :
   IPv4 Address. . . . . . . . . . . : 169.254.2.2
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . :

Ethernet adapter AlphaQuadrant:

   Connection-specific DNS Suffix  . :
   Link-local IPv6 Address . . . . . : fe80::10c9:8226:4914:72a5%11
   IPv4 Address. . . . . . . . . . . : 192.168.0.186
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.0.1

Tunnel adapter Local Area Connection* 11:

   Connection-specific DNS Suffix  . :
   IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e74:3467:1786:36ec:a5e1
   Link-local IPv6 Address . . . . . : fe80::3467:1786:36ec:a5e1%13
   Default Gateway . . . . . . . . . : ::

Then you need to check for the connection to the MSN server, probably some gateway is unreachable.

You can try, for instance tracert to check all the hops to the MSN Messenger.

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I added my netstat output (editing my post). I don't know much, are there anything wrong in it? –  Umut Benzer Jan 23 '10 at 17:56

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