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Thread: Error Code 81000378 in Windows live messenger

  1. #1
    Join Date
    Jan 2009
    Posts
    47

    Error Code 81000378 in Windows live messenger

    Hello all,
    I cannot sign in to windows live messenger. I am getting Error Code 81000378, when i try to sign in. Can anyone help? How to fix this?

    Thank you in advance.

  2. #2
    Join Date
    Apr 2008
    Posts
    4,642

    Re: Error Code 81000378 in Windows live messenger

    First of all try to adjust your Microsoft Internet Explorer security settings as follows:
    • Start Internet Explorer
    • Click on tools menu
    • Go to Internet Options
    • Then click the Advanced tab
    • 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
    • Then click OK

  3. #3
    Join Date
    May 2008
    Posts
    3,316

    Re: Error Code 81000378 in Windows live messenger

    Try to resister following DLL files. Click Start button =>Click Run and copy following in the run box by pressing Enter after each one:
    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
    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. Reinstall the messenger and try to sign in.

  4. #4
    Join Date
    May 2008
    Posts
    4,345

    Re: Error Code 81000378 in Windows live messenger

    Error code 81000378 usually occurs when there is a problem with the .NET Messenger service. one or more of the servers providing it might be down or having problems. Delete all the cookies and temporary files and run CCleaner and antivirus. Then try to login into messenger again.

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