Microsoft KB Archive/299660

= You receive the &quot;Msohelp caused error in Msohelp.exe&quot; error message when you try to start or remove an Office 2000 program =

Article ID: 299660

Article Last Modified on 10/13/2006

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APPLIES TO


 * Microsoft Windows 95
 * Microsoft Windows 98 Standard Edition
 * Microsoft Windows Millennium Edition
 * Microsoft Office 2000 Premium Edition
 * Microsoft Office 2000 Professional Edition
 * Microsoft Office 2000 Standard Edition
 * Microsoft Office 2000 Small Business Edition
 * Microsoft Office 2000 Developer Edition
 * Microsoft Access 2000 Standard Edition
 * Microsoft Excel 2000 Standard Edition
 * Microsoft FrontPage 2000 Standard Edition
 * Microsoft Outlook 2000 Standard Edition
 * Microsoft PowerPoint 2000 Standard Edition
 * Microsoft Word 2000 Standard Edition

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This article was previously published under Q299660



WARNING:This information is preliminary and has not been confirmed or tested by Microsoft. Use only with discretion.



SYMPTOMS
When you try to start or remove a Microsoft Office program, you may receive an error message that is similar to the following error message:

This program has performed an illegal operation and will be shut down. If the problem persists, contact the program vendor.

If you click Details, the data includes one of the following error messages:  Error Message 1

msohelp caused error in msohelp.exe

 Error Message 2

msohtmed caused error in msohtmed.exe



The Office program does not start or is not removed as expected.



CAUSE
This behavior may occur if the computer has the PE_CIH virus or the PE_CIH.1003 virus.



RESOLUTION
Use either of the following methods to scan for the PE_CIH virus or the PE_CIH.1003 virus.

Method 1: Visit the Trend Micro Antivirus HouseCall Web site
Visit the Trend Micro Antivirus HouseCall Web site to scan for the PE_CIH virus or the PE_CIH.1003 virus. You can download an antivirus program that scans the computer at the following Trend Micro Web site:

http://housecall.antivirus.com

Method 2: Use a McAfee or Norton antivirus program
Create a boot disk from a non-infected computer by using an antivirus programs from McAfee or from Norton. Then, scan for viruses on the infected computer by starting the computer from the floppy disk.



MORE INFORMATION
For more information about the PE_CIH virus or the PE_CIH.1003 virus, visit the following Trend Micro Web site:

http://www.antivirus.com/vinfo/virusencyclo/default5.asp?VName=PE_CIH

For additional information about viruses, click the following article number to view the article in the Microsoft Knowledge Base:

217688 You receive an &quot;MSIEXEC caused an invalid page fault in MSIEXEC.EXE at ####:00400288&quot; error message when you install Office 2000 programs

Note An antivirus program is designed to help protect your computer from viruses. You must not download or open files from sources that you do not trust, visit Web sites that you do not trust, or open e-mail attachments when your antivirus program is disabled. For additional information about computer viruses, click the following article number to view the article in the Microsoft Knowledge Base:

129972 Computer viruses: description, prevention, and recovery

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.

Additional query words: OFF2000 file infector virus

Keywords: kbtshoot kberrmsg kbpending kbprb KB299660

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