01. Double-click the time and check whether the date and time are set correctly.

02. Confirm that the account number and password are correct.

03. IE Tools Menu ~ Internet Options ~ Connections ~ LAN Settings ~ Uncheck Automatically detect settings and uncheck Use proxy server for LAN.

04.IE Tools Menu~Internet Options~Delete Files, Delete Cookies.

05. IE Tools Menu ~ Internet Options ~ Advanced ~ Uncheck Check for Server Certificate Revocation ~ Check Use SSL 2.0 ~ Check Use SSL 3.0.

06. Start ~ Run ~ regsvr32 softpub.dll ~ Confirm

07. MSN Messenger tool menu ~ Options ~ Connection ~ Uncheck I use a proxy server.

08. Open ports 443 and 1863. Or: Delete the MSN access item in the firewall, open MSN login, wait for the firewall to ask you, and then select pass.

09. If you are using an ICS or router for your LAN, you may need to adjust some settings or update the hardware/firmware drivers.

10. If your Passport is not recognized, please log in to the Passport site:

16. Re-register a hotmail email and log in with the new email.

17.WIN98 users can download a file here: /downloads/msimg32.dll and save it to WindowsSystem. If this file already exists, select Overwrite, and then start MSN again.

18. In the advanced IE properties, uncheck "Check server certificate revocation" and "Check downloaded program signatures" in security, or "Restore default settings", which is valid in WIN98.

19. Check the server certificate revocation, uncheck all certificate revocations, log out of MSN and log in again.

20. Open msn→Options (Toolbar on MSN)→Connection→Advanced Settings→You will see four connection methods, leave one, remove the other three, and try one by one.

21.MSN Tools ~ Options ~ Connection Settings ~ Cancel Proxy Settings.

22. You can log in with MSN7.5 Simplified Chinese Green Lite version.

23. Upgrade the DIRECTX version to above 8.0.

24.Win9X system: Find HKEY_LOCAL_MACHINESystemCurrentControlSetServicesClassNetTrans