Windows Live Messenger 14.0 may not start after you install Windows Vista Service Pack 2

After installing Windows Vista Service Pack 2 (SP2) Windows Live Messenger 14.0 may no longer start.

If Windows Live Messenger 14.0 was running when you installed Vista SP2 it may run until you exit the program. Once you exit Windows Live Messenger you will not be able to start the program again. If Windows Live Messenger is installed when you installed Vista SP2, Live Messenger will not start.

This issue can occur after Windows Live Messenger detects that an operating system upgrade has been installed and then attempts to perform a repair of Live Messenger. When this occurs Windows Live Messenger tries to use an incorrect Microsoft Installer package.

Please follow these steps below :

To resolve this issue download and re-install Windows Live Messenger:

1. Visit http://download.live.com
2. Click on the Download button

3. When the file download dialog pops up, click on Run to launch the installation wizard

4. On the "Choose the programs you want to install" window you will see Messenger under "This program will be updated"

5. Click on Install and complete the installation
6. Launch messenger and this time it should run fine

Important: Do not attempt to uninstall Windows Live Messenger before you re-install.

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How to Back up the Windows Registry – Windows Vista

 

1.  Click the Start button on the Windows task bar.

2. Type Regedit into the search bar and press Enter.

3. At this point your screen will glaze over and Windows will ask you for permission to run this command, Click Continue and Registry Editor will open.

4. Within the Registry Editor Window, click File and then click Export as seen in the image below.

5. Enter the filename for your registry file as shown on the example below. Change Export Range to All and then click Save. Please take note of the location where you will save the registry file.

6. Give your computer a moment to complete the task and then you should have something that looks like the image below where you saved the backup.

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How to Back up the Windows Registry – Windows XP

 

1.  Click the Start button on the Windows task bar, and then click on Run.

 

2.  On the Run dialog box type in regedit.exe or just type in regedit on the Open box as on example below and then Click on the OK button.

 

 

3.  The figure below shows an example of the Registry Editor window, click to highlight My Computer on the Registry Editor window.

 

4.  On the Registry Editor taskbar, click on File and then select Export.

 

5.   After you click on Export, the Export Registry File window will appear.  Enter the filename for your registry file as shown on the example below (backupregistry_june2009), then click on the Save button to save your registry file. Please take note of the location where you will save the registry file. You can save the file on the Desktop or in My Documents.

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Clean installation of Windows Live Messenger:

Before installing the latest version of Windows Live Messenger, it is good to perform a clean un installation of Messenger. Choose the steps based on the Operating System type that you have.

· Windows Vista

· Windows XP

If you are receiving any error during Installation or un installation, please contact support at http://support.live.com and choose Windows live Installer for further support.

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Messenger Audio/Video Issues:

 

The list below provides you the most common Audio/Video related errors and How To’s that you may encounter when you are trying to initiate a voice chat / video call using Windows Live Messenger. Click on the link that matches to the error code or symptom that you are receiving.

 If you are receiving another error code that is not listed below, please contact Windows Live Messenger support with the exact error code that you are receiving so that they can assist you.

 

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Error Code: 80048820

 

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. 
• If you do not have antivirus software installed, you can use Windows live Safety Scanner. For more information, visit the following Web site:
http://safety.live.com/

Additionally, visit the following Web site, and then follow the steps to help protect the computer from viruses:
http://www.microsoft.com/athome/security/default.mspx

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. 

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Your Webcam Device is not Detected by Windows Live Messenger

 

When you try to start a webcam conversation in Windows Live Messenger, you may receive the following error message:
Your conversation cannot begin because your camera is currently in use or not plugged in. Make sure your camera is available and try again.

 

To resolve this, follow these steps:

 

1.  Make sure that the webcam is connected to the computer. 

2.  Close all programs that may be using the webcam. 

3.  Restart your computer. 

4.  Make sure that your system and your webcam meet the requirements for Windows Live Messenger.

System requirements
• Windows XP operating system or higher 
• A dial-up, cable, or DSL Internet connection with a speed of 56 kilobits per second (Kbps) or faster 

Webcam requirements
• The webcam must support DirectShow 6.0 and later. 
• A USB webcam or another video source.

Note: Video sources such as digital cameras and video cameras may not work correctly with the webcam feature. FireWire-based cameras may work, but they are not supported. 

• A Windows Driver Model (WDM) driver or a Video for Windows (VFW) driver. 

5.  Re-install the webcam. For information about how to re-install the webcam, contact the webcam manufacturer. 

6.  If you are using a webcam that uses a USB connection, and you have more than one USB device on your computer, unplug all USB devices that are not required for a webcam session. 

7.  Select your webcam as the video source by using the Audio and Video Setup wizard on the Tools menu. To select the webcam that Windows Live Messenger uses, follow these steps:

7.a.  Start Windows Live Messenger. 
7.b.  Press Alt on the keyboard. Click Tools, then click Audio and Video Setup.
7.c.  Follow the directions in the wizard to select and configure the audio and video devices. 

If you encounter an error and you have a McAfee Site Advisor, please refer to our related article: http://messenger-support.spaces.live.com/blog/cns!8B3F39C76A8B853F!14323.entry

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