Error Message: Error Calling DllRegisterServer in Oleaut32.dll

ID: Q192057

The information in this article applies to:

Microsoft Internet Explorer versions 4.0, 4.01, 5 for Windows NT 4.0

IMPORTANT: This article contains information about editing the registry. Before you edit the registry, make sure you understand how to restore it if a problem occurs. For information about how to do this, view the "Restoring the Registry" Help topic in Regedit.exe or the "Restoring a Registry Key" Help topic in Regedt32.exe.

SYMPTOMS

When you install Internet Explorer, you may receive the following error message:

   Error calling DllRegisterServer in C:\WINNT\SYSTEM32\OLEAUT32.DLL.

RESOLUTION

WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

For information about how to edit the registry, view the "Changing Keys And Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete Information in the Registry" and "Edit Registry Data" Help topics in Regedt32.exe. Note that you should back up the registry before you edit it. If you are running Windows NT, you should also update your Emergency Repair Disk (ERD).

To resolve this issue, follow these steps:

Use Registry Editor (Regedt32.exe) to add the following registry key:

   HKEY_CLASSES_ROOT\CLSID\00020424-0000-0000-C000-000000000046\ 
      InprocServer32

Add the following string values under the new key:

   (Default) with a data value of "oleaut32.dll" (without quotation marks)

   ThreadingModel with a data value of "both" (without quotation marks)

Quit Registry Editor.

Additional query words: regsvr regsvr32 setup

Keywords          : kberrmsg msient winnt 
Platform          : WINDOWS
Issue type        : kbprb

Last Reviewed: March 19, 1999