Microsoft KB Archive/176938

= BUG: Oleview Hangs with Incorrect Typelib Viewer Registration =

Article ID: 176938

Article Last Modified on 7/11/2005

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APPLIES TO


 * Microsoft OLE 4.0, when used with:
 * Microsoft Platform Software Development Kit-January 2000 Edition

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This article was previously published under Q176938



SYMPTOMS
When attempting to view a type library, Oleview appears to hang and does not respond to user interaction. In addition, Task Manager shows that the Oleview.exe and Rpcss.exe processes combined are taking up nearly 100% of CPU time.



CAUSE
This problem is caused by an incorrect registration of the Iviewers.dll in- process server. Iviewers.dll contains the type library interface viewer object used by Oleview to parse the type library. The problem happens when the InProcServer32 entry for this object (under HKCR\CLSID\{57EFBF49-4A8B- 11CE-870B-0800368D2302}) points to an incorrect path. This exposes a bug in Oleview that causes it to try to load the viewer object in an infinite loop.



RESOLUTION
To resolve this problem, re-register Iviewers.dll. This DLL is supplied along with Oleview.exe as a part of either the platform SDK or the Visual C++ compiler. Locate the DLL on the machine, and register its objects by issuing the following command:

Regsvr32 iviewers.dll



STATUS
Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article.

Additional query words: kbbuglist

Keywords: kbbug KB176938

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