really don't want to read all of this, so I don't know if this has been posted are not, but here are some more things to try:
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MSNTS: Error 0x81000370: You receive the error message “We were unable to sign you in to the .Net Messenger Service” when you try to sign in to MSN Messenger(833275)
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The information in this article applies to:
MSN Messenger
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SYMPTOMS
When you try to sign in to MSN Messenger, you receive the following error message:
We were unable to sign you in to the .Net Messenger Service, possibly because of a problem with your Internet connection. Please try again later.
MSN subscription customers only: The Messenger Details section of the MSN Status and Support page may display the following error message:
81000370
MSN subscription customers only: For additional information about how to use the Status and Support page, click the following article number to view the article in the Microsoft Knowledge Base:
818713 How to Use Status and Support
CAUSE
A WinInet error occurred when you tried to sign in to MSN Messenger.
You may not be able to access other sites that require you to sign in.
You may not be able to sign-in to MSN Hotmail by using your .NET Passport credentials.
You may have an incorrect setting in the Hosts file.
THINGS TO TRY
1. Exit MSN Messenger: a. Sign out of MSN Messenger.
b. If you see the MSN Messenger icon in the notification area, right-click the icon, and then click Exit.
2. Clear the Secure Sockets Layer (SSL) state and the AutoComplete history. To do this, follow these steps: a. Open an Internet Explorer window.
b. Click Tools , click Internet Options, and then click the Content tab,
c. Under Certificates, click Clear SSL State.
d. Click OK when you receive the message that the SSL cache was successfully cleared.
3. Verify the Check for server certificate revocation and SSL options in the Security section. To do this, follow these steps: a. Open an Internet Explorer window.
b. Click Tools, click Internet Options, and then click the Advanced tab.
c. In the Security section, clear the Check for server certificate revocation check box and select the Use SSL 2.0 and Use SSL 3.0 check boxes.
4. Check your Firewall and Router Configuration to make sure that port 443 is open to access secure sites. Contact the firewall or router manufacturer for more information.
5. A system component that processes digital signatures may be damaged. To resolve this behavior, follow these steps: a. Click Start, click Run, type cmd, and then click OK.
b. At the command prompt, type regsvr32 softpub.dll, and then press ENTER.
c. Click OK when you receive the message that DllRegisterServer in Softpub.dll succeeded
d. Repeat steps a through d for the following files: Wintrust.dll, Initpki.dll, Dssenh.dll, Rsaenh.dll, Gpkcsp.dll, Sccbase.dll, Slbcsp.dll, Mssip32.dll, and Cryptdlg.dll.
e. Type exit, and then press ENTER to close the Command Prompt window.
6. Verify that the Internet Explorer cipher strength is 128 a. Start Internet Explorer.
b. On the Help menu, click About Internet Explorer: The cipher strength information is displayed in the "About Internet Explorer "box.
If you have Internet Explorer version 5.5 or later, the cipher strength should be 128 bits.
c. Click OK
If the cipher strength is incorrect, some Internet explorer files are missing or damaged. To repair or reinstall Internet Explorer, use the method for your operating system: Microsoft Windows 98, Windows Millennium Edition, and Windows 2000
Download and install Microsoft Internet Explorer 6, or reinstall Microsoft Internet Explorer 6. To do this, visit the following Microsoft Web site:
http://www.microsoft.com/windows/ie/downloads/ie6/default.asp
Windows XP
To repair Internet Explorer on Windows XP, Use the System File Checker tool to scan all of the protected files on your computer: a. Click Start, and then click Run.
b. In the Open box, type sfc /scannow, and then click OK.
7. Clear the entry in the Hosts file: a. Click Start, click Run, type the command for your operating system, and then click OK: o Windows 95, Windows 98, Windows Millennium Edition: %windir%
o Windows NT, Windows 2000, and Windows XP: windir%\system32\drivers\etc
o Windows XP Home Edition: %windir%\system32\drivers\etc
b. In the Windows Explorer window, look for the file that is named Hosts in this folder.
c. Right-click on the Hosts file and click Open with, and then select Notepad.
d. Delete any entries that refer to the passport.com domain - for example, Loginnet.passport.com, LoginMSNIA.passport.com, or login.passport.com.
e. Save and close the Hosts file.
f. Try to sign in to MSN Messenger
8. If your computer is running Windows XP, clear the DNS resolver cache: a. Click Start, click Run, type cmd, and then click OK.
b. In the command prompt window, type the command ipconfig /flushdns. This will flush all DNS entries that have been cached.
c. Try to sign in to MSN Messenger.
9. MSN Subscription customers only: Generate a Status and Support report file, and then e-mail the file to MSN support. For additional information about how to use the Status and Support reporting functions, click the following article numbers to view the articles in the Microsoft Knowledge Base:
818713 MSN: How to use Status and Support
818695 How to send and view a Status and Support file
10. MSN Subscription customers only: If the error prevents you from using the Status and Support page: a. Record the error message and the circumstances when the error occurred.
b. Contact MSN support. a. Visit
http://support.msn.com.
b. Call MSN Technical Support: (800) 877-9580
11. Agent: Contact an L2 agent for additional help or approval for an escalation. For additional information about escalating an issue, click the following article number to view the article in the Microsoft Knowledge Base:
326434 How to escalate to L2
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