This article was previously published under Q259042
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After you install Windows NT 4.0 Service Pack 6 and if the RegConnectRegistry() API is being used heavily, the Winlogon process may exhibit a Handle Leak.
This issue occurs because Windows NT 4.0 Service Pack 6 introduced a problem in the termination code for WinLogon, which prevents orphaned handles from closing.
To resolve this problem, obtain the Windows NT 4.0 Security Rollup Package. For additional information, click the article number below to view the article in the Microsoft Knowledge Base:
299444 Post-Windows NT 4.0 Service Pack 6a Security Rollup Package (SRP)
The English-language version of this fix has the file attributes (or later) 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 tool in Control Panel.