Microsoft KB Archive/145734

= Err Msg: RASDDUI.DLL is Not a Valid Windows NT Image =

Article ID: 145734

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Server 3.51

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This article was previously published under Q145734





SYMPTOMS
When you attempt to install a printer in Windows NT 3.51, the following error message appears:

The application or dll ./devices/ :/<%SystemRoot%>/system32 /spool/drivers/w32x86/rasddui.dll is not a valid Windows NT image. Please check this against your installation diskette.



CAUSE
This problem occurs when Print Manager is not able to load RASDDUI.DLL due to heavy I/O stress of the computer. The RASDDUI.DLL is unloaded if Windows NT has been using it before installing the printer. This problem may occur with files other than RASDDUI.DLL.



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 3.51. This problem was corrected in the latest US Service Pack for Windows NT. For information on obtaining this update, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K



RESOLUTION
To work around this problem, remove the file such as RASDDUI.DLL and re- expand the file from the Windows NT 3.51 CD-ROM disc.

To correct this problem, upgrade to Windows NT 3.51 Service Pack 2.

Additional query words: prodnt printman.exe

Keywords: kbnetwork KB145734

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