Article ID: 234573 - View products that this article applies to.
This article was previously published under Q234573
After you install Internet Explorer 5.00 (5.00.2314.1003) on a Windows 98 computer, the IPHelper API may fail with error 50 (ERROR_NOT_SUPPORTED) or 1003 (ERROR_CAN_NOT_COMPLETE).
The following APIs in the IPHelper API set may return the error 50 (ERROR_NOT_SUPPORTED) message:
Applying later versions of Internet Explorer (5.01, 5.01/SP1, and 5.5) on top of version 5.00 does not correct the problem.
The installation of Internet Explorer 5.00 replaces Iphlpapi.dll, overwriting the original version 5.00.1717.2 with version 5.00.1952.1.
If you identify Iphlpapi.dll version 5.00.1952.1 on your computer, perform the following steps to correct the problem:
Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section.