"Explorer Has Encountered an Error and Needs to Close" Error Message When you Start Windows XP (822797)



The information in this article applies to:

  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional

Important This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry

SYMPTOMS

When you start your Windows XP-based computer, you may receive the following error message:
Explorer has encountered an error and needs to close. We are sorry for the inconvenience.
Also, you may not be able to open folders, such as the My Documents folder or the My Computer folder.

CAUSE

This problem may be caused by Qcbar.dll, a program that adds adult Web site links to the Internet Explorer Favorites menu.

RESOLUTION

To resolve this problem use one of the following methods.

Method 1: Remove the Link from Your Favorites Folder in Internet Explorer

To do so, start Internet Explorer, and then click Uninstall on the Adult Links menu in the Favorites folder.

Method 2: Manually Delete the Qcbar Program Files

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk. To do this, follow these steps:
  1. Click Start, and then click Run.
  2. Type regedit in the Open box, and then click OK.
  3. Delete each of the following registry entries. To do this, right-click each registry entry below, click Delete, and then click Yes.

    HKEY_CLASSES_ROOT\Allch.IEObj
    HKEY_CLASSES_ROOT\Allch.IEObj.1
    HKEY_CLASSES_ROOT\CLSID\{765E6B09-6832-4738-BDBE-25F226BA2AB0}
    HKEY_CLASSES_ROOT\CLSID\{D6FC35D1-04AB-4D40-94CF-2E5AE4D0F8D2}
    HKEY_CLASSES_ROOT\Interface\{ED7D1356-F7C2-4A27-A87C-C0DFEB3A628F}
    HKEY_CLASSES_ROOT\Interface\{242CA913-1637-4F74-9729-EA349AF3ECAC}
    HKEY_CLASSES_ROOT\QcBar
    HKEY_CLASSES_ROOT\QcBar.1
    HKEY_CLASSES_ROOT\TypeLib\{C02EE3A0-1881-419F-A5ED-737223463292}
    HKEY_CLASSES_ROOT\TypeLib\{60381D4B-8129-449A-A5F2-5417AD0571CC}
    HKEY_CURRENT_USER\Software\QcBar
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Code Store Database\Distribution Units\{765E6B09-6832-4738-BDBE-25F226BA2AB0}
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Toolbar\{765E6B09-6832-4738-BDBE-25F226BA2AB0}

  4. Shut down, and then restart your computer.
  5. Manually delete the Qcbar program files. To do this, follow these steps:
    1. Click Start, and then click Run.
    2. Type cmd in the Open box.
    3. Switch to the C:\Documents and Settings\UserName\Start Menu\Programs\Accessories folder, and then type the following commands:

      del "%WinDir%\Downloaded Program Files\allch.dll"

      del "%WinDir%\Downloaded Program Files\QcBar.dll"

  6. In the Internet Explorer Favorites folder, delete the Adult Links folder, delete the AdultSearch folder, and then delete the Sports folder.
  7. Delete the Adult Links Daily shortcut from the Desktop menu and from the Start menu.

Modification Type:MinorLast Reviewed:6/23/2005
Keywords:kbACWsurvey kbprb KB822797 kbAudEndUser