QuickTime: Broken Plug-In Icon With Internet Explorer 5.5 SP2 and later for Windows

This document explains a broken plug-in icon issue which may occur with Microsoft Internet Explorer version 5.5 SP2 and 6.0 for Windows
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Windows users who try to play a QuickTime movie in Internet Explorer version 5.5 SP2 or later see a "broken plug-in icon".

Users of other browsers on either Windows or Mac OS are unaffected; they can continue to use the plug-in installed with QuickTime.


To restore compatibility, Apple has provided an ActiveX control in the QuickTIme 5.0.5 and later. The latest version of QuickTime is available at http://www.apple.com/quicktime/. Once you have the new ActiveX control installed, you are unaffected by this issue; you can also view existing Web pages with QuickTime movies.

Web Content Developers

When authoring Web pages, you can prevent this issue by authoring your HTML to check if the required ActiveX control is installed wherever you have QuickTime content embedded. This HTML change will result in Web pages compatible with Netscape and Internet Explorer browsers on both Mac and Windows computers (see below for more information).

The required code consists of an HTML OBJECT element with an enclosed EMBED element as in the following example:

<OBJECT CLASSID="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" WIDTH="160"HEIGHT="144"
<PARAM name="SRC" VALUE="sample.mov">
<PARAM name="AUTOPLAY" VALUE="true">
<EMBED SRC="sample.mov" WIDTH="160" HEIGHT="144" AUTOPLAY="true" CONTROLLER="false" PLUGINSPAGE="http://www.apple.com/quicktime/download/">

CLASSID must always equal: clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B
CODEBASE must always equal: http://www.apple.com/qtactivex/qtplugin.cab
PLUGINSPAGE must always equal: http://www.apple.com/quicktime/download/

The other attributes should be customized to your Web page. You need to substitute "sample.mov" (in both SRC attribute elements) with the URL of the actual movie to be played. You should also change the HEIGHT and WIDTH parameters to match the height and width of the movie (in pixels).

If you already have EMBED elements for the QuickTime plug-in on the relevant pages, you need to enclose each of them in an OBJECT element with CLASSID and CODEBASE parameter values as shown above and with SRC and other parameter values to match those in your existing EMBED element. The OBJECT element can use any EMBED attributes QuickTime understands. Go here for more information.

For existing Web pages, it may be sufficient to add such an OBJECT element to the "front door" page of your site. Once the OBJECT element on the "front door" page has caused the user to install the ActiveX control, all subsequent pages with the original EMBED elements will work properly. In cases where you cannot be certain that the "front door" page is always visited, then all your pages should be revised to use these OBJECT elements.


QuickTime uses a plug-in mechanism to display movies from your Web page in the user's browser. Before, you would use an EMBED element alone to display QuickTime content within the browser, much like in the example below:

<EMBED src="sample.mov" width="160" height="144" autoplay="true" CONTROLLER="false" PLUGINSPAGE="http://www.apple.com/quicktime/download/"></EMBED>

For this mechanism to work, the user must have the QuickTime plug-in installed on his or her system. If the appropriate QuickTime plug-in is not installed, when your HTML page with QuickTime content is loaded into the user's browser, the movie is not visible. Instead, the browser replaces it with a "broken plug-in icon" and attempts to assist the user in obtaining the required software. An unfortunate side effect of this approach is that the user is directed away from your site and is distracted by the installation process.

How it works

The OBJECT element is used by Internet Explorer on Windows 9x/NT/2000/XP platforms and by other browsers that support the QuickTime ActiveX control. The enclosed EMBED element is used by Netscape browsers, Internet Explorer for the Mac, and other browsers that support the "Netscape style" QuickTime plug-in. Browsers that understand the OBJECT element ignore the EMBED element; those that don't understand the OBJECT element use the EMBED element.

Within the OBJECT element, the CLASSID parameter uniquely identifies which ActiveX control to use. A CLASSID parameter with the value "clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" tells Internet Explorer to use the QuickTime ActiveX control. (You must use exactly this value; it is the only value that identifies the QuickTime ActiveX control). If the user does not already have the ActiveX control installed on his or her system, the CODEBASE parameter tells the browser where to find it for downloading. Internet Explorer will automatically offer to download and install the ActiveX control for the user, after which the movie can be played without restarting the browser, or, if QuickTime is not already installed, will prompt the user to download and install QuickTime. You must always use "http://www.apple.com/qtactivex/qtplugin.cab" for the CODEBASE URL. This URL will always have the latest version of the QuickTime ActiveX control.

Because a browser will use either the OBJECT element or the EMBED element, but not both, most of the element attributes must be included in each. Note that in the example above the EMBED element has autoplay="true" and the OBJECT element has <param name="autoplay" value="true">, so the movie will begin to play automatically whether it is loaded with the QuickTime ActiveX control or the QuickTime plug-in. The only attributes that should not be duplicated are CLASSID, CODEBASE, and PLUGINSPAGE. CLASSID and CODEBASE are specific to the OBJECT element. PLUGINSPAGE is specific to the EMBED element.

Although Windows Internet Explorer 5.5 SP2 and 6.0 will no longer use the QuickTime plug-in, once the QuickTime ActiveX control has been installed on a user's system, these versions of Internet Explorer will use the installed ActiveX control to satisfy a properly coded EMBED element.

Additional Reading

For more information on the OBJECT element, see: The W3C Web site (http://www.w3.org/TR/REC-html40/struct/objects.html#edef-OBJECT)

For more information on HTML in general, see: HTML & XHTML: The Definitive Guide 4th Edition, by Chuck Musciano & Bill Kennedy, published by O'Reilly.

Dynamic HTML: The Definitive Reference, by Danny Goodman, published by O'Reilly.

For more information about QuickTime on Web sites, see: QuickTime for the Web, published by Morgan Kaufmann Publishers. http://developer.apple.com/techpubs/quicktime/qtdevdocs/QT4WebPage/QT4WebBook.htm

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Last Modified: Oct 7, 2016

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