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The following describes how to remove an ActiveX control from your computer, error messages that may occur when you attempt to remove an ActiveX control, and the use of multiple ActiveX control (Occache) folders in Internet Explorer 4.0 and later.
To remove an ActiveX control, follow the steps in the appropriate section.
regsvr32 drive:\windows\occache\filename.ocx /uNOTE: drive is the drive letter on which the Windows folder is located, windows is the name of the folder in which Windows is installed, and filename.ocx is the ActiveX control you want to remove.
Internet Explorer 4.x or Later (All Platforms)
Internet Explorer 4.x or later, include the Occache.dll file, which is used to enumerate, update, and safely uninstall ActiveX controls using a "shell folder."
IMPORTANT: The following ActiveX controls should not be removed if you are running Internet Explorer 4.0:
DirectAnimation Java ClassesInternet Explorer 5.0 or later does not require these components in the Downloaded Program Files files. Error Messages Removing ActiveX Controls
Internet Explorer Classes for Java
Microsoft XML Parser for Java
Win32 Classes
When you attempt to remove an ActiveX control using an Occache shell folder, you may receive one of the following messages:
Share Violation These program files are currently being used by one or more programs. Please close some programs, and try again. You may need to restart Windows.
Component Removal About to remove a Windows system DLL: (path\filename). Okay to delete?Share Violation:
This message occurs if the ActiveX control you are trying to remove is currently loaded in memory by Internet Explorer or the Active Desktop component.
To resolve this error message, follow these steps:
This message occurs only in versions of Internet Explorer 4 prior to 4.01 Service Pack 1 (SP1) when the ActiveX control you are removing installed files into a folder other than a registered Occache folder (for example, Windows\System or Winnt\System32).
Occache cannot always determine if those files are shared by their programs.
If you are certain the file or files displayed in the message are not being used by Windows or another program, click Yes.
Otherwise, click No.
NOTE: In Internet Explorer 4.01 SP1 and later, Occache does not remove (or prompt you to remove) dependent files outside of a registered Occache folder.
Support for Multiple Occache FoldersInternet Explorer 4.0 and later supports multiple Occache folders. The list of Occache folders is located in the following registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ActiveX CacheBy default, Internet Explorer 4.0 and later uses the Windows\Downloaded Program Files or Winnt\Downloaded Program Files folder. If you upgraded from Internet Explorer 3.x, both an Occache and Downloaded Program Files folder may exist. In this case, all new ActiveX controls are installed in the Downloaded Program Files folder, but previously installed ActiveX controls still work in the Occache folder. When you open the Occache or Downloaded Program Files folder in Windows Explorer, Windows NT Explorer, or My Computer, all ActiveX controls are displayed regardless of the folder in which the ActiveX control's files are located. In this case, the following string values appear in the registry key:
"0"="C:\\WINDOWS\\OCCACHE""1"="C:\\WINDOWS\\Downloaded Program Files" For additional information about ActiveX controls, please see the following article in the Microsoft Knowledge Base: 154544 Description of ActiveX Technologies For information about how Internet Explorer downloads ActiveX controls if a conflict occurs (for example, if the file already exists), please see the following article in the Microsoft Knowledge Base: 196150 INFO: Why CONFLICT Directories Are Created During Code Download
The information in this article applies to:
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