Error "NTVDM CPU: unauthorized instruction" running FS9

[Guest]

Archived from groups: alt.games.microsoft.flight-sim (More info?)

Hi,

I have using FS9 for some time, and then, suddenly, it has stopped
working: when I launch it, it opens a kind of command window and then
there is a pop up saying NTVDM has met an unauthorized instruction (as I
understand NTVDM is a kind of virtual MS-DOS for 16bit software!!!).

Has anyone any idea? I installed one week ago VFR Terrain for England
and Wales but it seemed fine.

Thanks for your help

J

 

[Guest]

Archived from groups: alt.games.microsoft.flight-sim (More info?)

have you tried a re-install of FS9?

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"Jay Buzz" <jaybuzzMAPS@free.net> wrote in message
news:421bc52e$0$12980$626a14ce@news.free.fr...
> Hi,
>
> I have using FS9 for some time, and then, suddenly, it has stopped
> working: when I launch it, it opens a kind of command window and then
> there is a pop up saying NTVDM has met an unauthorized instruction (as I
> understand NTVDM is a kind of virtual MS-DOS for 16bit software!!!).
>
> Has anyone any idea? I installed one week ago VFR Terrain for England and
> Wales but it seemed fine.
>
> Thanks for your help
>
> J

 

[Guest]

Archived from groups: alt.games.microsoft.flight-sim (More info?)

Chris Harries wrote:
> have you tried a re-install of FS9?
>

Thanks.

Yes, I finally did it (I was secretly hoping for another solution...).
And it (apparently) solved the problem (if not the mystery).

Best,

J