DOCUMENT:Q269278  08-AUG-2001  [winnt]
TITLE   :"Stop 0x0000007f" During Windows NT 4.0 Setup
PRODUCT :Microsoft Windows NT
PROD/VER:winnt:4.0
OPER/SYS:
KEYWORDS:kberrmsg kbsetup kbWinNT4sp6fix

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The information in this article applies to:

 - Microsoft Windows NT Server version 4.0 
 - Microsoft Windows NT Workstation version 4.0 
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SYMPTOMS
========

When you attempt to install Windows NT 4.0, you may receive the following error
message on a blue screen:

   Stop 0x0000007f

When this issue occurs, you must reboot the computer.

CAUSE
=====

This behavior can occur because of a timing issue between the hard disk and the
operating system. This is a known issue with the original Hal.dll file that is
included with Windows NT 4.0.

RESOLUTION
==========

To resolve this issue, reboot the computer and allow Setup to restart. If the
problem occurs repeatedly, format the partition with the FAT file system, and
then install Windows NT 4.0. If you want to use the NTFS file system, convert
the partition to NTFS by using the convert command after you install Windows NT
4.0.

After you successfully install Windows NT 4.0, install Windows NT 4.0 Service
Pack 6a (SP6a) as soon as possible. SP6a includes an updated Hal.dll file that
resolves this issue. For additional information about obtaining Windows NT
service packs, click the article number below to view the article in the
Microsoft Knowledge Base:

   Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack

STATUS
======

Microsoft has confirmed this to be a problem in the Microsoft products that are
listed at the beginning of this article.

Additional query words:

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Keywords          : kberrmsg kbsetup kbWinNT4sp6fix 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400search kbWinNTSsearch kbWinNTS400search kbWinNTS400
Version           : winnt:4.0
Issue type        : kbprb

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Copyright Microsoft Corporation 2001.