Multimedia Properties Window Closes When You Click Devices Tab (183461)
The information in this article applies to:
- Microsoft Windows NT Workstation 4.0
- Microsoft Windows NT Server 4.0
- Microsoft Windows NT Server, Enterprise Edition 4.0
This article was previously published under Q183461
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 click the Devices tab in the Multimedia tool in Control Panel,
Multimedia Properties may close, and you may be unable to add, remove, or
view the properties of any multimedia device drivers.
CAUSE
This issue can occur if Netscape Communicator Professional Edition is
installed on your computer, and the Nsmlaw32.dll file is incorrectly
registered in your registry.
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.
To resolve this issue, use Registry Editor to delete the Nsmlaw32.dll
value in the following registry key:
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\currentVersion\
drivers.desc
Use Registry Editor to delete the Msacm.nsmlaw value in the following
registry key:
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\currentVersion\
Drivers32MORE INFORMATION
These registry values are created only when Netscape Communicator
Professional Edition is installed in Microsoft Windows NT version 3.5 or
3.51. When you upgrade Windows NT 3.5 or 3.51 to Windows NT 4.0, these
registry values are retained.
The third-party product discussed in this article is manufactured by a
vendor independent of Microsoft; we make no warranty, implied or
otherwise, regarding this product's performance or reliability.
| Modification Type: | Major | Last Reviewed: | 8/9/2001 |
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| Keywords: | kb3rdparty kbmm kbprb KB183461 |
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