Cannot Start TAPI-Aware Programs This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
This article was previously published under Q131746 SYMPTOMS
When you try to start a program that supports the Telephony Application
Programming Interface (TAPI), you may receive the following error message:
Error Starting Program
The TAPI32.DLL file cannot start. Check the file to determine the problem. CAUSE
The TOOLHELP.DLL file is missing or damaged, or has been replaced by
another program. The TOOLHELP.DLL file should be located in the
Windows\System folder.
RESOLUTION
Use the EXTRACT command to replace the TOOLHELP.DLL file. To extract the
file, use the following command
extract /l <drive letter>:\<windows>\system <filename.cab> toolhelp.dllwhere <drive letter> indicates the letter designating the drive containing the Windows 95 floppy disk or CD-ROM, <windows> is the Windows 95 folder, and <filename.cab> is the name of the cabinet file containing the TOOLHELP.DLL file. For example, From disk 4: extract /l c:\windows\system win95_04.cab toolhelp.dllFrom the Windows 95 CD-ROM: extract /l c:\windows\system win95_03.cab toolhelp.dllFor information about using the EXTRACT command, type
extract /?
at a command prompt.
MORE INFORMATION
For information about other issues that can cause the problem described in
this article, please see the following article in the Microsoft Knowledge
Base:
138835 (http://support.microsoft.com/kb/138835/EN-US/) Error Message: GP Fault in Mmsystem.dll
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