Error code 81000303 - Connection Problem
MSN connection problem
Check the status of MSN Messenger servers to determine if the problem does not come from there before any changes on your system:
http://messenger.msn.com/Status.aspx?mkt/
Can not connect to MSN Messenger. The program announces a login error and / or password (error 0x81000303).
Below are proposed solutions:
First Solution
Go to menu
Start and select
Run
Enter each of the below commands. You should reboot the machine to check the operation of MSN.
regsvr32 wintrust.dll / s
softpub.dll regsvr32 / s
initpki.dll regsvr32 / s
regsvr32 mssip32.dll / s
dssenh.dll regsvr32 / s
regsvr32 rsaenh.dll / s
gpkcsp.dll regsvr32 / s
Sccbase.dll regsvr32 / s
slbcsp.dll regsvr32 / s
cryptdlg.dll regsvr32 / s
See also:
http://www.technicland.com/article.php3?sid=166
then
http://www.technicland.com/article.php3?sid=181
Alternative
If MSN Messenger still refuses to work despite all your efforts, use another program that recognizes the MSN protocol. At least you're not only free of any flaws in the software from Microsoft, but you definitely know if the problems come from software or your connection settings.
On the other hand, know that many alternatives recognize several protocols. The foot: one to manage software protocols are not compatible!
These alternatives are grouped in Article Software Instant Messenger