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Problem with Service NTVDM.exe

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Original Message
Name: Thomas Steinringer
Date: June 16, 2003 at 06:39:50 Pacific
Subject: Problem with Service NTVDM.exe
OS: Windows 2k sp2
CPU/Ram: 1,4ghz / 256
Comment:

I have a Problem with a Foxpro application running in a dos window.
The Service ntvdm.exe needs 100% CPU and all memory it can get (160 mb).

Has anyone an idea what i can do?



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Response Number 1
Name: JohnKaz3
Date: July 5, 2003 at 21:18:07 Pacific
Reply: (edit)

Hello,

I'm trying to get a FoxPro 16-bit DOS application called Bookease to
run faster in Windows 2000. We load the program using a batch file:

net use LPT1: \\lawbook_server\optra_r /yes
set foxprocfg=c:\be5\config.fp
cd be5
foxprort f:\db5\bookfox
net use LPT1: /delete /yes
cd\

I tried to look up WOWEXEC.EXE on Google and read how it optimizes
applications running under NTVDM.EXE, such as Bookease. This is the
best page I found: http://www.altf1.co.uk/Technical/DfWTech/Windows_Settings/WinSetWOW/body_winsetwow.html
I tried running WOWEXEC.EXE in command prompt in Win 2000 and it loads
under NTVDM as a child process. Then I ran our batch file, but
Bookease ran in it's own NTVDM process.

Question 1: Will running WOWEXEC.EXE in the same NTVDM process that
Bookease uses to run speed up the application?

Question 2: When we move the mouse cursor over the VDM window that
Bookease is open in, the CPU usage for that NTVDM process flies to
100% (by the way, we need mouse support otherwise I'd just run the
shortcut in QuickEdit mode and it stops the 100% issue) ... is there
anything to keep that from happening other than telling it to run at a
lower priority which would just slow the application even more?

Question 3: Is there any other way to run this 16-bit FoxPro-DOS app
in Win2K in order to speed up the response time AND lower the CPU
usage?

Question 4: Would I see faster results using any other version of
Windows NT 3.51 or 4.0 or XP or …??


Your assistance is much appreciated,
Sincerely,
JohnKaz



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