Error message when an application calls the RegisterTypeLib API to register a type library in Windows Vista: Access denied

Error message when an application calls the RegisterTypeLib API to register a type library in Windows Vista: Access denied

Article ID : 935200
Last Review : November 30, 2007
Revision : 3.3
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SYMPTOMS

Consider the following scenario. In an application that is running on a Windows Vista-based computer, you try to map the HKEY_CLASSES_ROOT registry subtree to another registry subtree. For example, you try to map the HKEY_CLASSES_ROOT registry subtree to the HKEY_CURRENT_USER registry subtree. When the application calls the RegisterTypeLib API to register a type library, you may receive the following error message:

Access denied

Additionally, the RegisterTypeLib API returns the TYPE_E_REGISTRYACCESS (0x8002801c) value.

This problem occurs if User Account Control (UAC) is enabled, and the application is running under the Limited User Account.

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RESOLUTION

After you install this hotfix that is described in this article, you must enable the hotfix. See the Enable the hotfix section for more information.

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Hotfix information

A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451 (http://go.microsoft.com/?linkid=6294451)

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)

Prerequisites

You must have Windows Vista installed to apply this hotfix.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Vista, x86-based versions
File name File version File size Date Time Platform
X86_4bbe5d294834975fb80c47470752adb1_31bf3856ad364e35_6.0.6000.20604_none_dea9a3d5aecfc0a3.manifest Not Applicable 702 23-May-2007 19:26 Not Applicable
X86_microsoft-windows-ole-automation_31bf3856ad364e35_6.0.6000.20604_none_bba787f5176daa36.manifest Not Applicable 88,609 23-May-2007 19:28 Not Applicable
Oleaut32.dll 6.0.6000.20604 558,592 23-May-2007 04:43 x86
File name File version File size Date Time Platform
X86_4bbe5d294834975fb80c47470752adb1_31bf3856ad364e35_6.0.6000.20604_none_dea9a3d5aecfc0a3.manifest Not Applicable 702 23-May-2007 19:26 Not Applicable
X86_microsoft-windows-ole-automation_31bf3856ad364e35_6.0.6000.20604_none_bba787f5176daa36.manifest Not Applicable 88,609 23-May-2007 19:28 Not Applicable
Oleaut32.dll 6.0.6000.20604 558,592 23-May-2007 04:43 x86
Update.mum Not Applicable 2,001 23-May-2007 19:26 Not Applicable
Windows Vista, 64-bit versions
File name File version File size Date Time Platform
Amd64_4a6574fa45a2d59d7249caa900399476_31bf3856ad364e35_6.0.6000.20604_none_cd312e3fb1af0597.manifest Not Applicable 706 23-May-2007 19:26 Not Applicable
Amd64_65563c6fd47be510b29634938ca65f92_31bf3856ad364e35_6.0.6000.20604_none_21b539ccf0659813.manifest Not Applicable 706 23-May-2007 19:26 Not Applicable
Amd64_microsoft-windows-ole-automation_31bf3856ad364e35_6.0.6000.20604_none_17c62378cfcb1b6c.manifest Not Applicable 86,227 23-May-2007 19:33 Not Applicable
Package_1_for_kb935200~31bf3856ad364e35~amd64~~6.0.1.0.mum Not Applicable 1,795 23-May-2007 19:26 Not Applicable
Package_2_for_kb935200~31bf3856ad364e35~amd64~~6.0.1.0.mum Not Applicable 2,012 23-May-2007 19:26 Not Applicable
Update.mum Not Applicable 1,909 23-May-2007 19:26 Not Applicable
Wow64_microsoft-windows-ole-automation_31bf3856ad364e35_6.0.6000.20604_none_221acdcb042bdd67.manifest Not Applicable 86,475 23-May-2007 19:33 Not Applicable
Oleaut32.dll 6.0.6000.20604 867,840 23-May-2007 05:54 x64
Oleaut32.dll 6.0.6000.20604 558,592 23-May-2007 04:43 x86

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the Applies to section.

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MORE INFORMATION

Enable the hotfix

After you install this hotfix, you must use one of the following methods to enable the hotfix.

Method 1

This hotfix adds a new API. Before the application calls the RegisterTypeLib API, the application can call the void OaEnablePerUserTLibRegistration function to enable the RegisterTypeLIb API to use the appropriate override mapping. The OaEnablePerUserTLibRegistration function is exported from the Oleaut32.dll file. You must reference this file by using Run-Time Dynamic Linking and by using the GetProcAddress function. For more information about the GetProcAddress function and about Run-Time Dynamic Linking, visit the following Microsoft Web site:

http://msdn2.microsoft.com/en-us/library/ms686944.aspx (http://msdn2.microsoft.com/en-us/library/ms686944.aspx)

Method 2

After you install the hotfix, the RegisterTypeLib API will check the OAPERUSERTLIBREG environment variable. If the value of the OAPERUSERTLIBREG variable is 1, the RegisterTypeLIb API will use the appropriate override mapping. Because this environment variable is read during the initialization of the DLLMain function, you must set this environment variable before you run the application. To do this, run one of the following commands at a command prompt:

• set OAPERUSERTLIBREG=1
• start cmd.exe /c set OAPERUSERTLIBREG=1 && MyApp.exe

Note The MyApp.exe placeholder points to the application that you want to run.

Note The first command only sets the environment variable. The second command sets the environment variable and then runs the application. If you use the first command, you must also run the application at this command prompt.

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For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 (/Feedback.aspx?kbNumber=824684/) Description of the standard terminology that is used to describe Microsoft software updates

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REFERENCES

For more information about the HKEY_CLASSES_ROOT registry subtree, visit the following Microsoft Web site:

http://msdn2.microsoft.com/en-us/library/ms724475.aspx (http://msdn2.microsoft.com/en-us/library/ms724475.aspx)

For more information about the RegisterTypeLib API, visit the following Microsoft Web site:

http://msdn2.microsoft.com/en-us/library/ms221570(vs.71).aspx (http://msdn2.microsoft.com/en-us/library/ms221570(vs.71).aspx)

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APPLIES TO
• Microsoft COM+ 2.0 Standard Edition
• Windows Vista Enterprise
• Windows Vista Enterprise 64-bit Edition
• Windows Vista Ultimate
• Windows Vista Ultimate 64-bit Edition
• Windows Vista Business
• Windows Vista Business 64-bit Edition
• Windows Vista Home Premium
• Windows Vista Home Premium 64-bit Edition
• Windows Vista Home Basic
• Windows Vista Home Basic 64-bit Edition

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Keywords: 
kbfix kbqfe kbpubtypekc kbexpertiseadvanced kbhotfixserver KB935200

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Microsoft Knowledge Base Article

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