Ntregmon.exe causes STOP 0x0000001E with New Service Pack

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Article ID: 160660 - View products that this article applies to.
This article was previously published under Q160660
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After you install the latest Windows NT version 4.0 Service Pack, running the utility Ntregmon.exe 1.1 will cause Windows NT to crashdump with a STOP 0x0000001E error in the driver Regsys.sys.


The Regsys.sys device driver that comes with NTREGMON directly accesses data structures internal to Windows NT. This type of access to the data structures is illegal. Anytime there is an update to Windows NT there is a possibility that these internal data structures will change. These changes result in the driver creating or utilizing invalid pointers and causing the crashdump.


NTREGMON is manufactured by a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.


Article ID: 160660 - Last Review: October 4, 2013 - Revision: 1.1
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 4.0 Standard Edition
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