Re: NTVDM CPU has encountered an illegal instruction.

From: Kelly (kelly_at_mvps.org)
Date: 09/30/04 

Date: Thu, 30 Sep 2004 03:58:13 -0500

Hi ***,

See if this helps:

Error Message: MS-DOS or 16-bit Windows-based program
http://www.kellys-korner-xp.com/xp_m.htm#16bit

More info here:
http://www.google.com/search?hl=en&ie=UTF-8&q=NTVDM+CPU+has+encountered+an+illegal+instruction&btnG=Google+Search 

-- 
All the Best,
Kelly
Microsoft-MVP Windows® XP-Shell/User
2004 Windows MVP "Winny" Award
Troubleshooting Windows XP
http://www.kellys-korner-xp.com
"***" <anonymous@discussions.microsoft.com> wrote in message 
news:142e01c4a6c7$e4444a80$a401280a@phx.gbl...
>I get the following pop-up box at start-up now. I have
> just installed XP Home service pack 2 to try and get rid
> of the pesky pop-up to no avail.
> ______________________________________________________
> 16 bit MS-DOS SubSystem
> ______________________________________________________
>
> C:\Progra~1\COMMON~1\updmgr.exe
> The NTVDM CPU has encountered an illegal instruction.
> CS:0f79 ip:001d OP:ff ff ff ff ff Choose 'close' to
> terminate the application.
>
> Close    Ignore
> ______________________________________________________
>
> If you click either 'close' or 'ignore' it disappears and
> the computer works OK (though am I imagining it now runs
> slower???) until the next log on when it appears again.
>
> How do I get rid of it?