Error Code: 80048820 in live messenger

The error code 80048820 in Windows Live Messenger is triggered by a
number of causes. Listed below are the steps that can help you resolve
the error
1. Verify that the Date and Time Settings on the computer are
correct.
    1.1 Windows Vista:
       1.1.a.  Click Start , type date and time in the Start Search
box, and then click Date and Time in the Programs list.
       1.1.b.  Make sure that the date and time settings are
configured to use the current date, time, and year, and then click
OK.
    1.2. Windows XP:
       1.2.a.  Click Start, and then click Control Panel.
       1.2.b.  Click Date, Time, Language, and Regional Options, and
then click Date and Time.
       1.2.c.  Click the Date & Time tab.
       1.2.d.  Make sure that the date and time settings are
configured to use the current date, time, and year, and then click
OK.
2.  Adjust your Microsoft Internet Explorer security settings:
    2.a.  Start Internet Explorer.
    2.b.  On the Tools menu, click Internet Options, and then click
the Advanced tab.
    2.c.  In the Security section, make sure that the following check
boxes are set correctly:
        • Clear the Check for server certificate revocation check
box.
        • Select the Use SSL 2.0 check box.
        • Select the Use SSL 3.0 check box.
    2.d.  Click OK to close the window.
3.  Reregister the SSL security libraries.
Note: After each command is executed successfully, you will receive a
"DllRegisterServer succeeded" message. Wait until you receive this
message before you run the next command.
    3.1. To register the SSL security libraries, run the following
commands in Windows XP: Click Start, click run, type the following
commands, and then press OK.
    • REGSVR32 softpub.dll
    • REGSVR32 wintrust.dll
    • REGSVR32 initpki.dll
    • REGSVR32 Rsaenh.dll
    • REGSVR32 Mssip32.dll
    • REGSVR32 Cryptdlg.dll
    • REGSVR32 Dssenh.dll
    • REGSVR32 Gpkcsp.dll
    • REGSVR32 Slbcsp.dll
    • REGSVR32 Sccbase.dll
    3.2. To reregister the SSL security libraries in Windows Vista,
follow these steps:
    3.2.a.  Click Start , click All Programs, click Accessories, click
Run, type the following command, and then press ENTER:
    %windir%\system32\regsvr32 softpub.dll
    3.2.b.  Click Start , click All Programs, click Accessories, click
Run, type the following command, and then press ENTER:
    %windir%\system32\Regsvr32 wintrust.dll
    3.2.c.  Click Start , click All Programs, click Accessories, click
Run, type the following command, and then press ENTER:
    %windir%\system32\REGSVR32 initpki.dll
4.  Scan for and remove any viruses on the computer:
    • If you have antivirus software installed, contact the
manufacturer for information about how to update the signature files
and remove viruses.
5.  Check your firewall and router settings to make sure that port 443
is open to give access to secure Web sites. If your firewall is set to
scan port 443, contact the firewall vendor. Or, verify that your
firewall documentation explains how to check this and disable if this
is happening.
6.  Clear the proxy settings in Windows Live Messenger to establish a
direct connection to the Messenger service. To do this, follow these
steps:
    a.  Start Windows Internet Explorer.
    b.  On the Tools menu, click Internet Options.
    c.  Click the Connections tab, and then click LAN settings.
    d.  Click to clear the Automatically detect settings check box.
    e.  Click OK two times.
7.  If you are using a router, try to disconnect (bypass) the router
and connect directly to the Internet, and then try to sign in again.
8.  Verify that Internet Explorer is not set to Work Offline. To do
this, follow these steps:
    8.a.  Open Internet Explorer.
    8.b.  On the File menu, clear the Work Offline option.
9. Clear the entry in the Hosts file.
    9.a.  To clear the entry in the Hosts file, use one of the
following methods:
        • For Windows XP , click Start, click Run, type %windir%
\system32\drivers\etc , and then click OK.
        • For Windows Vista, click Start , click All Programs, click
Accessories, click Run, type %windir%\system32\drivers\etc , and then
click OK.
    9.b.  In the Microsoft Windows Explorer folder window that opens,
look for the Hosts file.
    9.c.  Right-click the Hosts file, click Open with, and then click
Notepad.
    9.d.  Delete any entries that relate to the passport.com domain,
such as Loginnet.passport.com, Messenger.Hotmail.com,
LoginMSNIA.passport.com, Login.passport.com, or
gateway.messenger.hotmail.com.
    9.e.  Save and then close the Hosts file.
    9.f.  Try to sign in to Windows Live Messenger.
10. Clear the DNS resolver cache.
    10.1. To resolve the DNS resolver cache on a Windows Vista-based
computer, follow these steps:
    10.1.a.  Click Start , click All Programs, click Accessories, and
then right-click Command Prompt.
    10.1.b.  Click Run as administrator.
    If you are prompted for an administrator password or for a
confirmation, type the password, or click Continue.
    10.1.c.  At the command prompt, type ipconfig /flushdns , and then
press ENTER. This command flushes all the DNS entries that have been
cached.
    10.1.d.  Try to sign in to MSN Messenger.
    10.2. To resolve the DNS resolver cache on a Windows XP-based
computer, follow these steps:
    10.2.a.  Click Start, click Run, type cmd , and then click OK.
    10.2.b.  At the command prompt, type ipconfig /flushdns , and then
press ENTER. This command flushes all the DNS entries that have been
cached.
    10.2.c.  Try to sign in to Windows Live Messenger.