Microsoft KB Archive/298888

= Error Message When You Browse Internet or Read E-mail with AOL =

Article ID: 298888

Article Last Modified on 1/31/2007

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APPLIES TO


 * Microsoft Windows Millennium Edition
 * Microsoft Windows 98 Second Edition

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This article was previously published under Q298888



The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.



SYMPTOMS
When you connect to the Internet by using America Online (AOL), and you attempt to browse the Internet or read e-mail, you may receive an error message similar to the one of the following:

WAOL caused an Invalid Page Fault in module WINMM.DLL.

If you continue to have problems with this program, try restarting your computer.

-or-

WAOL has caused an Invalid Page Fault in module MSACM.DLL.

-or-

WAOL has caused an error in WINMM.DLL.

-or-

WAOL caused an Invalid Page Fault in module USER.EXE.

You may then be unable to browse the Internet.

NOTE: This behavior may also occur when you start a program that uses a Web page-based user interface, for example, System Restore.



CAUSE
This issue can occur if the Winmm.dll Windows system file is damaged.



RESOLUTION
To resolve this issue, extract a new copy of Winmm.dll to the Windows\System folder:  Click Start, and then click Run. In the Open box, type Msconfig, and then click OK. In System Configuration Utility, click Extract File on the General tab. In the Extract one file from installation disk dialog box, type Winmm.dll, and then click Start. In the Restore from box, type :\win9x (where drive is the drive that contains your Windows Millennium Edition CD).

NOTE: If you have an original equipment manufacturer (OEM) installation of Windows, the installation files may also be located in one of the following folders





where  is the drive on which Windows is installed. For example, type C:\Windows\Options\Install . In the Save file in box, type drive:\Windows\System (where drive is the drive on which Windows is installed), and then click OK.</li> In the Backup File dialog box, record the location of the backup folder, and then click OK.</li> If the '''The backup folder does not exist. Do you want to create it? message appears, click Yes'''.

The Winmm.dll file is extracted.</li> In System Configuration Utility, click OK, and then click Yes to restart your computer.</li></ol>

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MORE INFORMATION
For additional information about extracting Windows files, click the article number below to view the article in the Microsoft Knowledge Base:

129605 How to Extract Original Compressed Windows Files

Keywords: kb3rdparty kberrmsg kbprb KB298888

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