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1993-11-16
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DOCUMENT:Q105025 04-NOV-1993 [W_NT]
TITLE :16-bit Windows-based Applications Fail w/o Scanner Attached
PRODUCT :Windows NT
PROD/VER:3.10
OPER/SYS:WINDOWS
KEYWORDS:buglist3.10
------------------------------------------------------------------
The information in this article applies to:
- Microsoft Windows NT operating system version 3.1
- Microsoft Windows NT Advanced Server version 3.1
------------------------------------------------------------------
SYMPTOMS
========
When you load the HPSCAN16.SYS scanner driver in CONFIG.NT but you do
not have a Hewlett-Packard (HP) ScanJet IIc scanner attached, 16-bit
Windows-based applications do not start. When you click the icon for
an application such as Write, Microsoft Word for Windows, or Microsoft
Excel, the hourglass pointer appears for about ten seconds, but the
application does not start and the icon remains closed. If you open an
MS-DOS command prompt from within Windows NT and attempt to start an
MS-DOS application such as the MS-DOS Edit utility, the application
fails to start. The cursor temporarily freezes, and then eventually
begins blinking again at the command prompt.
When you attempt to start the application Introducing Windows NT, you
will receive a temporarily blank screen.
CAUSE
=====
Loading the HPSCAN16.SYS scanner driver in CONFIG.NT without having
the scanner connected to the computer adversely affects the WOW
(16-bit application) subsystem in Windows NT. The exact nature of the
problem is unknown at this time.
RESOLUTION
==========
To correct this problem, either deactivate the scanner driver in
CONFIG.NT by editing the file in the MS-DOS environment outside of
Windows NT, or turn the computer off, reconnect the scanner, and then
start Windows NT again.
STATUS
======
Microsoft has confirmed this to be a problem in Windows NT version 3.1
and Windows NT Advanced Server version 3.1. We are researching this
problem and will post new information here in Microsoft Knowledge Base
as it becomes available.
MORE INFORMATION
================
Steps to Reproduce Problem
--------------------------
The Windows NT Setup program installs the necessary files HPSCAN16.SYS
and HPSCAN32.DLL in the %SYSTEMROOT%\SYSTEM32\DRIVERS subdirectory at
setup.
1. Load the scanner driver in Windows NT by adding the following line
to your CONFIG.NT file:
DEVICE=%SYSTEMROOT%\SYSTEM32\DRIVERS\HPSCAN16.SYS
2. Save the changes to CONFIG.NT, and restart the computer.
3. Try to open a 16-bit Windows-based application such as Write, MS
Word, Excel, or Introducing Windows NT.
Additional reference words: 3.10 Intel Ethernet Xpress freeze frozen
stop
KBCategory:
KBSubCategory: netsrv
=============================================================================
THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS
PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS
ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO
EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR
ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL,
CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF
MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION
OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES
SO THE FOREGOING LIMITATION MAY NOT APPLY.
Copyright Microsoft Corporation 1993.