Try this - unistall the geforce,
uninstall directX,

re-install the geforce with the latest drivers from Nvidia's webpage, http://www.nvidia.com/content/drivers/drivers.asp

THEN, and this stumped me for ages - use the directX from mtw CD2 - if you have been unable to uninstall directX the version on the CD should overwrite it anyway,

Fixed all my crashes and lag! and allowed me to use the map editor - which had been disabled right up until i installed the version of DirectX that comes with the game!!

I know the version on the CD is not the absolute latest, but it is the version the game was tested with and certified for
:-)

B.

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Clan Doragon
DoragonBarocca of Clan Doragon

[This message has been edited by barocca (edited 09-11-2002).]