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Posted by Roger Abell [MVP] on August 24, 2006, 9:32 am
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You are running this as an admin account ?? and cannot do the same as a
limited user ??
I am just guessing that the vdm is making calls which XP only attempts to
fulfill because of the administrative rights letting it get hardware access
more directly than vdm is designed to support (Remember the vdm was written
back when video and other hardware was out in user mode, before the gdi etc
was moved into kernel mode in order to support the more performant needs of
DirectX - and, by the time of that change NT family was largely a corp OS
not home OS as XP caused, and in that environment it was very rare to see a
DOS app that used the vdm so there was probably near zero time put into it
post NT 3.5)
> Hello.
>
> A DOS game downloaded from
> http://www.reloaded.org/download/Castle-Wolfenstein/24/
>
> is able to completely lock up Windows XP running on a Duron system. The
> game
> loads, but runs in an extremely fast loop. There is no way to exit the
> game
> gracefully, so I press Alt + Enter to switch from fullscreen to Window
> mode.
> At this point my screen goes black and the keyboard is useless. I must do
> a
> hardware reset.
>
> How is this DOS game able to crash Windows XP?
>
> I found that if I launched the game at a very slow speed with Mo'Slo 4BIZ,
> I
> was able to use Alt + Enter, but instead of having the game appear FROZEN
> in
> a window, it was minimized. I could then close the game while minimized,
> but
> if I pressed Alt + Enter again, Windows locked up with black screen.
>
> Here's an oddity: With game minimized, I opened Task Manager. I saw a new
> process appear: wuauclt.exe. According to MS, this is the auto update
> process, but I don't have auto update enabled.
>
> How is this DOS game able to crash Windows XP? What would cause
> wuauclt.exe
> to suddenly run?
>
> thx,
> nf
>
>
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