Error code 80048820

try these

http://www.fanatic.net.nz/2005/08/30/solving-error-80048820/

Try this help tutorial link @ http://www.raymond.cc/blog/archives/2007/12/15/windows-live-messenger-80048820-and-extended-80048439-error-code/

Hope it helps.

Hi,

Please follow steps to resolved issue

The Solutions to MSN Error Code 80048820 Internet Explorer - Try removing the tick next to Internet Explorer 'Proxy server' settings, instead, go with the 'Automatically detect settings'.
1) Launch Internet Explorer, click Tools and then click Internet Options.
From the Internet Options dialog box, go to the Connections tab.
Click LAN Setting. Un check the Use a proxy server for your LAN (These settings will not apply to dial-up or VPN connections) checkbox. Finally positively tick: 'Automatically detect settings'.
2) Register softpub.dll.
Click Start (Button), and then click Run, type regsvr32 softpub.dll. Restart MSN Messenger. See also Error code 81000314
3) If necessary, logon as a local administrator and set the computer's clock to the correct date and time. (Check on the internet if possible.)
4) Turn off the firewall temporarily. Check firewall settings such as Norton: "Block access to secure sites". If this cures the problem, make sure that Microsoft's MSN Messenger is allowed full access through your firewall.
NetGear problem, but also with some other routers
a) Enter IP address 192.168.0.1 in your browser's address bar.
b) Log on with ISP user name and password.
c) Enter Admin, password
d) Navigate to advanced menu, WAN set-up
e) Change MTU size to 1400
5) Try a password of no more than 8 characters.
6) If you are using IE 7.0 check the SSL Settings. Internet options advanced (Tab) scroll down to the bottom. Security section. Tick 'Use ssl 2.0'.
7) One of the simplest ways of curing MSN error 80048820 is to unplug, or restart your modem. This is particularly effective for cable modems.
8) We should have tried this solution before; check that the MSN site is 'up' 'available'. However, even if the site is down, you don't usually get error code 80048820.
8a) As a variation, of checking online, you could try phoning your local Microsoft Support office. Local area numbers available from http://support.microsoft.com.
9) Have you just installed any anti-virus software? Did the anti-virus software just make a big update? Try disabling and see if that cures the error.
10) A drastic solution is to try uninstalling MSN Messenger version 8.0 or 7.5 and install Microsoft MSN version 7.0.

Hope it can resolved issue
Thanks for using Fixya

Solutions to MSN Error Code 81000306 1) Wait for MSN to repair their Server! Meanwhile check the status of the Messenger service, at: http://messenger.msn.com/Status.aspx
2) Delete ListCache.dat
Launch CMD and navigate to %appdata%\microsoft.
CD %appdata%\microsoft
Dir /s ListCache.dat
Decide if you want to delete the cache.
Del /s ListCache.dat
Restart your MSN Messenger.
3) Register softpub.dll.
Click Start (Button), and then click Run, type regsvr32 softpub.dll. Restart MSN Messenger.
It would do no harm to also use regsvr32 to re-register: wintrust.dll, initpki.dll, Rsaenh.dll Mssip32.dll and Cryptdlg.dll. Here is the command string to register these dlls. Launch the 'Run' command and paste:
regsvr32 softpub.dll Wintrust.dll Initpki.dll Rsaenh.dll Mssip32.dll Cryptdlg.dll
4) Another problem could be firewall related, thus try temporarily disabling the firewall. If this cures the problem, make sure that MSN Messenger is allowed full access through the firewall.
Your problem could also be related to Error Code 80048820
5) If other people can access the MSN Messenger service, and you are the only one getting Error Code 81000306, then you could look at your anti-virus software. Has anything changed recently?
6) One more thought, could your account be locked out? Try another account if have one, or can create a new account.

Sir,
Internet Explorer - Try removing the tick next to InternetExplorer 'Proxy server' settings, instead, go with the 'Automatically detectsettings'.

1) Launch Internet Explorer, click Tools and then clickInternet Options.
From the Internet Options dialog box, go to the Connectionstab.
Click LAN Setting. Un check the Use a proxy server for yourLAN (These settings will not apply to dial-up or VPN connections)checkbox. Finally positively tick: 'Automatically detect settings'.

2) Register softpub.dll.

Click Start (Button), and then click Run, type regsvr32softpub.dll. Restart MSN Messenger. Seealso Error code 81000314

3) If necessary, logon as a local administrator and set thecomputer's clock to the correct date and time. (Check on the internet if possible.)

4) Turn off the firewall temporarily. Check firewallsettings such as Norton: "Block access to secure sites". If this cures the problem, make sure thatMicrosoft's MSN Messenger is allowed full access through your firewall.

NetGear problem, but also with some other routers
a) Enter IP address 192.168.0.1 in your browser's addressbar.
b) Log on with ISP user name and password.
c) Enter Admin, password
d) Navigate to advanced menu, WAN set-up
e) Change MTU size to 1400

5) Try a password of no more than 8 characters.

6) If you are using IE 7.0 check the SSL Settings. Internetoptions advanced (Tab) scroll down to the bottom. Security section. Tick 'Use ssl 2.0'.

7) One of the simplest ways of curing MSN error 80048820 isto unplug, or restart your modem. Thisis particularly effective for cable modems.

8) We should have tried this solution before; check that theMSN site is 'up' 'available'. However,even if the site is down, you don't usually get error code 80048820.

8a) As a variation, of checking online, you could tryphoning your local Microsoft Support office. Local area numbers available from http://support.microsoft.com.

9) Have you just installed any anti-virus software? Did the anti-virus software just make a bigupdate? Try disabling and see if thatcures the error.

10) A drastic solution is to try uninstalling MSN Messengerversion 8.0 or 7.5 and install Microsoft MSN version 7.0.

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General, but classic Troubleshooting Techniques

Collect information: Write down exactly what the problemis. Something magical happens just bythe act of writing down the symptoms.
Ask: What was the last thing that altered on yourcomputer. Especially with changes toanti-virus software Reverse it!
Can you reproduce the problem: Occasionally trying againseems to make it work. Else you may geta different error from 80048820.
Locate the source: Hardware (modem) Software, your end orMSN site.
Phone a friend! Seriously do your MSN buddies have the same problem, if so it's thesite, if not - back to the drawing board.

Thanks

If you are receiving error 80048820 when trying to sign into Windows Live Messenger you should also get an extended error code. If this extended error code is 80048412 the problem often occurs because the time and date settings on the computer are incorrect. The error will appear like below:

You cannot sign in to Messenger. Additionally, you may receive the following error message:
We were unable to sign you in to the Messenger at this time. Please try again later.
To let us try and troubleshoot the problem, click the Troubleshoot button.
Error code: 80048820
Extended error code: 80048412
The following steps may help resolve your issue:
To troubleshoot the problem on a Microsoft Windows XP-based computer:



1. Click Start, click Run, type control timedate.cpl, and then click OK.



2. In the Date and Time Properties dialog box, confirm that the date and time settings on the computer are correct, and then click OK.
To troubleshoot the problem on a Windows Vista-based computer:



1. Click Start, type control timedate.cpl in the Start Search box, and then press ENTER.



2. In the Date and Time Properties dialog box, confirm that the date and time settings on the computer are correct, and then click OK.

The problem occurs is caused by the incorrect Microsoft Internet Explorer SSL settings. The error happens occasionally, and not all system may affected by this WLM problem. To solve the problem, following steps in the guide below:
1. In Internet Explorer, clear the Check for Server certificate revocation (requires restart) check box. To do this, follow these steps:

1. Start Internet Explorer.
2. Click on the Tools menu, then click Internet Options in the pull down menu.
3. Click on the Advanced tab.
4. Under “Security” section tree, clear the Check for server certificate revocation (requires restart) check box.
5. Click OK button.
6. Exit Internet Explorer.
7. Sign in to Windows Live Messenger again.

Unfortunately, there are many possible causes of error 80048820. This is somewhat of a generic error,

Lets try some easy trys first Check your System Date and Time.

sometimes Invalid proxy settings can sometimes cause the 80048820 error

sometimes your anti virus software can cause this error.

I would try and download the windows live one more time

reinstalling the messenger would help you solve your problem. thanks. :)

MSN Message error 80048820, unable to signin

Problems:
- While you try to Sign in MSN Messenger you getting an error message with the no. 80048820
- Unable to Sing in

Probably reasons-
- Your system time/date incorrect
- Internet Proxy setting incorrect
- softpub.dll disable/missing
- Firewall does not allow to access, etc.

Solution-

Step#1
- Remove Internet Explorer proxy server settings and check the 'Automatically detect settings'.
- Launch Internet Explorer, click "Tools" and then click Internet Options. From the Internet Options dialog box, go to the Connections tab. Click LAN Setting. Uncheck the Use a proxy server for your LAN checkbox. Finally tick/check: 'Automatically detect settings'.

Step#2
- Correct the computer system's Time/Day as current (if required).

Step#3
- Click Start (Button), and then click Run, type regsvr32 softpub.dll click ok.

Step#4
- Turn off the firewall. Check firewall settings such as Norton: "Block access to secure sites". If this cures the problem, make sure that Microsoft's MSN Messenger is allowed full access through your firewall.

Reference from:

http://www.trulybangladesh.com/itnews.php