Microsoft KB Archive/251365

= Error Message: An ActiveX Control on This Page Is Not Safe =

Article ID: 251365

Article Last Modified on 10/31/2003

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APPLIES TO


 * Microsoft Internet Explorer 5.01
 * Microsoft Internet Explorer 5.0

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This article was previously published under Q251365



SYMPTOMS
When you connect to a Web site, you may receive the following error message:

An ActiveX control on this page is not safe. Your current security settings prohibit running ActiveX controls on this page. As a result, the page may not display correctly.



CAUSE
This error message can occur if the computer contains the following file in the %SystemRoot%\System32 folder:

Name: Comcat.dll

Version: 5.0

Size: 6 kilobytes (KB)



RESOLUTION
To resolve this issue, follow these steps:  Copy or extract the Comcat.dll file version 4.71 from one of the following sources to a temporary folder:  Another computer that is running Microsoft Windows NT 4.0 A Microsoft Windows NT 4.0 Service Pack 4 CD-ROM An Internet Explorer 4.01 Service Pack 2 CD-ROM

 Start a command prompt session.</li> Right-click the taskbar, and then click Task Manager.</li> In Task Manager, on the Processes tab, click Explorer, and then click End Process. This quits the graphic shell, but the command prompt is still active.</li> Delete or rename the Comcat.dll file in the %SystemRoot%\System32 folder.</li> Copy the Comcat.dll file version 4.71 from the temporary folder to the %SystemRoot%\System32 folder.</li> From the command prompt, start Explorer.exe again by typing explorer.exe, and then pressing ENTER.</li> Type exit to quit the command prompt session.</li> Start a command prompt session.</li> Type the following command at the command prompt to register the Comcat.dll file again:

regsvr32 %systemroot%\system32\comcat.dll

</li></ol>

Keywords: kberrmsg kbenv kbprb KB251365

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