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When you attempt to install Microsoft Windows NT 4.0 Service Pack 4 (SP4), Dr. Watson may start and you may receive an error message indicating that a fault occurred in Update.exe because of an in page I/O error (0xC0000006).
During the service pack upgrade, a copy error is encountered because of network problems. Update.exe attempts to page in the Setupapi.dll file from the location of the service pack files, but is unable to do so because of network problems.
Windows NT Server or Workstation 4.0To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
Windows NT Server 4.0, Terminal Server EditionTo resolve this problem, obtain the latest service pack for Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/152734/EN-US/ )How to Obtain the Latest Windows NT 4.0 Service Pack
Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition.
This problem was first corrected in Windows NT Server 4.0 Service Pack 6 and Windows NT Server 4.0, Terminal Server Edition Service Pack 6.