DOCUMENT:Q102470  04-AUG-1993  [W_NT]
TITLE   :Power Launcher and hDC Work Only with 16-Bit Applications
PRODUCT :Windows NT
PROD/VER:3.10
OPER/SYS:WINDOWS
KEYWORDS:

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The information in this article applies to:
 
 - Microsoft Windows NT operating system, version 3.1
 - Microsoft Windows NT Advanced Server, version 3.1
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SYMPTOMS
========
 
Power Launcher and hDC work only with 16-bit applications.
 
CAUSE
=====
 
These applications install global hooks. Because 16-bit applications
cannot hook 32-bit applications, the hooks are global only for the
16-bit Windows on Windows (WOW) virtual DOS machine (VMD).
 
As a result, these two applications hook all 16-bit applications and
then exit when there are no 16-bit applications left running.
 
Additional reference words: 3.10
KBCategory:
KBSubCategory: 16ap

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Copyright Microsoft Corporation 1993.