You are prompted to open or to save a file that is named "Launch.rtc" when you try to join a meeting in Live Meeting 2007

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Article ID: 947613 - View products that this article applies to.
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Symptoms

When you try to join a meeting in Microsoft Office Live Meeting 2007, you are prompted to open or to save a file that is named "Launch.rtc."

Resolution

To resolve this issue, use one of the following methods.

Method 1: Disable the "Do Not Save Encrypted pages to disk" option in Internet Explorer

Important These steps may increase your security risk. These steps may also make the computer or the network more vulnerable to attack by malicious users or by malicious software such as viruses. We recommend the process that this article describes to enable programs to operate as they are designed to or to implement specific program capabilities. Before you make these changes, we recommend that you evaluate the risks that are associated with implementing this process in your particular environment. If you decide to implement this process, take any appropriate additional steps to help protect the system. We recommend that you use this process only if you really require this process.

Note Before modifying any security settings in Internet Explorer, contact your IT Helpdesk.
  1. Open Internet Explorer, click Tools, and then click Internet Options.
  2. On the Advanced tab, locate the Security section.
  3. Click to clear the Do not save encrypted pages to disk check box.
  4. Click Apply, and then click OK.
To verify that the issue is resolved, close all browser windows, and then try to join a meeting in Live Meeting 2007. To do this, follow these steps:
  1. Close all browser windows.
  2. Visit the following Live Meeting 2007 Web site:
    https://www.livemeeting.com/cc/test2007/join?id=LiveMeeting2007Test
  3. If you can successfully join this test meeting, the issue is resolved. Otherwise, continue to Method 3.

Method 2: Change the alternate path for Live Meeting Console

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
To have us fix this problem for you by changing the alternate path, go to the "Fix it for me" section. If you would rather fix it yourself, go to the "Let me fix it myself" section.


Fix it for me

To fix this problem automatically , click the Fix this problem link. Then click Run in the File Download dialog box, and follow the steps in this wizard.

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assets fixit1
Fix this problem
Microsoft Fix it 50397
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assets fixit2

Note This wizard may be in English only; however, the automatic fix also works for other language versions of Windows.

Note If you are not on the computer that has the problem, you can save the automatic fix to a flash drive or to a CD, and then you can run it on the computer that has the problem.

Let me fix it myself

To resolve this problem yourself, follow these steps:
  1. Uninstall the Microsoft Office Live Meeting 2007 Console. To do this, follow these steps:

    In Windows Vista
    1. Click Start
      Collapse this imageExpand this image
      the Start button
      , type programs and features in the Start Search box, and then press ENTER.
    2. In the list of programs, click Microsoft Office Live Meeting 2007, and then click Uninstall.
    3. If you are prompted to confirm that you want to remove the program, click Yes.

      Collapse this imageExpand this image
      User Account Control permission
      If you are prompted for an administrator password or for confirmation, type the password, or click Allow.
    In Windows XP
    1. Click Start, and then click Control Panel.
    2. Click Add or Remove Programs.
    3. Select Microsoft Office Live Meeting 2007 from the Currently installed programs list.
    4. Click Remove, and then follow the instructions.
  2. Reinstall the Live Meeting Console. To do this, visit the following Microsoft Web site:
    http://office.microsoft.com/en-us/help/HA101733831033.aspx
  3. Create a batch file to change the alternate path for Live Meeting Console. To do this, follow these steps.

    For 32-bit versions of Windows XP and 32-bit versions of Windows Vista:
    • Copy (or type) the following text into a Notepad file, and then save it as Alt_Path.bat.
      @echo off 
      
      echo Setting alternate path for Live Meeting Console 32 bit edition 
      
      reg add "HKEY_CLASSES_ROOT\meet\shell\open\command" /ve /t REG_SZ /d "C:\Program Files\Microsoft Office\Live Meeting 8\Console\PWConsole.exe %1" /f 
      
      echo First Change Completed Successfully 
      
      reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform" /v "MS-RTC S" /t REG_SZ /f 
      
      echo Second Change Completed Successfully 
      
      pause 
      
    For 64-bit versions of Windows XP and 64-bit versions of Windows Vista:
    • Copy (or type) the following text into a Notepad file, and then save it as Alt_Path.bat.
      @echo off 
      
      echo Setting alternate path for Live Meeting Console 64 bit edition 
      
      reg add "HKEY_CLASSES_ROOT\meet\shell\open\command" /ve /t REG_SZ /d "C:\Program Files\Microsoft Office\Live Meeting 8\Console\PWConsole.exe %1" /f 
      
      echo First Change Completed Successfully 
      
      reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform" /v "MS-RTC S" /t REG_SZ /f 
      
      echo Second Change Completed Successfully 
      
      reg add " HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform " /t REG_SZ /f 
      
      echo Third Change Completed Successfully 
      
      pause 
      
  4. To run this batch file, double-click the Alt_Path.bat file icon.

    Collapse this imageExpand this image
    User Account Control permission
    In Windows Vista, if you are prompted for an administrator password or for confirmation, type the password, or click Allow.
  5. When the batch file displays the following message, press the ENTER to exit the batch file:
    Operation Completed Successfully
To verify that this method has resolved this issue, follow these steps:
  1. Close all browser windows.
  2. Visit the following Live Meeting 2007 Web site:
    https://www.livemeeting.com/cc/test2007/join?id=LiveMeeting2007Test
If you can successfully join this test meeting, the issue is resolved. Otherwise, visit the following Live Meeting technical support Web site for additional help:
http://support.microsoft.com/gp/livemeeting_oas

Method 3: Associate the .rtc extension with the appropriate file

For Windows Vista
  1. When you are prompted, manually save the Launch.rtc file to your local hard disk drive.
  2. Click the Start, click All Programs, click Accessories, and then open Windows Explorer.
  3. In the address bar of Windows Explorer, paste (or type) the following text, and then press ENTER:
    Control Panel\Programs\Default Programs
  4. Click Associate a file type or protocol with a program.
  5. Locate the .rtc extension, and then select it.
  6. Click the Change program button.
  7. Click the Browse button, and then move to the following folder:
    C:\Program Files\Common Files\microsoft shared\LiveMeeting Shared
  8. If the list at the lower-right corner of the Open with box says Programs (*.exe; *.pif; *.com, ), change it to All Files (*.*).
  9. Double-click Rtcrouter.dll, and then click OK.
  10. Repeat steps 5 through 9 and replace .rtc with the .rtc-ms extension.
  11. Click Close to close the file association box.
For Windows XP
  1. When you are prompted, manually save the Launch.rtc file to your local hard disk drive.
  2. Right-click the Launch.rtc file, click Open With, and then click Choose Program to select the program that you want.
  3. Click the Browse button, and then move to the following folder:
    C:\Program Files\Common Files\microsoft shared\LiveMeeting Shared
  4. At the bottom of the Open with box, click the list, and then make sure that All Files is selected in the Files of type list.
  5. Double-click Rtcrouter.dll.
  6. Click to select the Always use the selected program to open this kind of file check box if it is not already selected.
  7. Click OK.
  8. Repeat steps 2 through 7, and replace .rtc with the .rtc-ms extension.
To verify that this method has resolved this issue, follow these steps:
  1. Close all browser windows.
  2. Visit the following Live Meeting 2007 Web site:
    https://www.livemeeting.com/cc/test2007/join?id=LiveMeeting2007Test
  3. If you can successfully join this test meeting, the issue is resolved. Otherwise, continue to Method 4.

Method 4: Delete the HKEY_CLASSES_ROOT\.rtc registry subkey

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
  1. Uninstall the Live Meeting 2007 console.
  2. Delete the HKEY_CLASSES_ROOT\.rtc subkey. To have us fix this problem for you, go to the "Fix it for me" section. If you would rather fix it yourself, go to the "Let me fix it myself" section.


    Fix it for me

    To fix this problem automatically, click the Fix this problem link. Then click Run in the File Download dialog box, and follow the steps in this wizard.
    Collapse this imageExpand this image
    assets fixit1
    Fix this problem
    Microsoft Fix it 50398
    Collapse this imageExpand this image
    assets fixit2

    Note This wizard may be in English only; however, the automatic fix also works for other language versions of Windows.

    Note If you are not on the computer that has the problem, you can save the automatic fix to a flash drive or to a CD, and then you can run it on the computer that has the problem.

    Let me fix it myself

    To resolve this problem yourself, follow these steps:
    1. Click Start, and then click Run.
    2. Copy and then paste (or type) the following command in the Open box, and then press ENTER:
      regedit
    3. Locate and then click the following registry subkey:
      HKEY_CLASSES_ROOT\.rtc
    4. Click Delete.
    5. Click Yes when you are prompted to confirm the deletion, and then exit Registry Editor.
  3. To verify that this method has resolved this issue, follow these steps:
    1. Close all browser windows.
    2. Visit the following Live Meeting 2007 Web site:
      https://www.livemeeting.com/cc/test2007/join?id=LiveMeeting2007Test
    3. If you can successfully join this test meeting, the issue is resolved. Otherwise, continue to Method 5.

Method 5: Reinstall Live Meeting

Note Contact your IT Helpdesk before you continue.
  1. Uninstall the Microsoft Office Live Meeting 2007 Console. To do this, follow these steps:

    In Windows Vista
    1. Click Start
      Collapse this imageExpand this image
       the Start button
      , type programs and features in the Start Search box, and then press ENTER.
    2. In the list of programs, click Microsoft Office Live Meeting 2007, and then click Uninstall.
    3. If you are prompted to confirm that you want to remove the program, click Yes.

      Collapse this imageExpand this image
      User Account Control permission
      If you are prompted for an administrator password or for confirmation, type the password, or click Allow.
    In Windows XP
    1. Click Start, and then click Control Panel.
    2. Click Add or Remove Programs.
    3. Select Microsoft Office Live Meeting 2007 from the Currently installed programs list.
    4. Click Remove, and then follow the instructions.
  2. Reinstall the Live Meeting Console. To do this, visit the following Microsoft Web site:
    http://office.microsoft.com/en-us/help/HA101733831033.aspx
To verify that the issue is resolved, close all browser windows, and then try to join a meeting in Live Meeting 2007. To do this, follow these steps:
  1. Close all browser windows.
  2. Visit the following Live Meeting 2007 Web site:
    https://www.livemeeting.com/cc/test2007/join?id=LiveMeeting2007Test
  3. If you can successfully join this test meeting, the issue is resolved. Otherwise, continue to Method 2.

Properties

Article ID: 947613 - Last Review: June 21, 2014 - Revision: 11.0
Applies to
  • Microsoft Office Live Meeting 2007
Keywords: 
kbexpertiseinter kbtshoot kbprb kbfixme kbmsifixme vkbportal107 vkbportal230 vkbportal238 KB947613

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