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Crash To Desktop Due To Out Of Virtual Memory Issue Solution

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Author: JakFrost

Created: 2009-02-09

Updated: 2009-02-10


Game: STALKER Shadow of Chernobyl v1.0006

Mod: Supermod Pack 2.2.5 for OL2.2 by Wolfhunter



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Cause

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The cause of some of the Crash To Desktop (CTD)s problems for the game
Stalker are caused by a out-of-memory error when the game tries to
allocate more than 2 GB of memory when running this mod while having
the Texture Detail setting at a high value such as at 3/4 or Maximum
and when entering certain complex maps such as the Bar. These crashes
happen when you enter a new map, when you try to save your game on the
current map, when you try to load a previously saved game, when moving
around a map and you hit one of the prefetch load zones such as the one
where you walk to the Bar across the ditch in the road where there is a
hanging corpse and there are always dogs, or at other times where the
game might try to load more information into memory.


The reason for this crash is not related to how much physical RAM you
have in your computer but to the design of the Windows NT/2000/XP
32-bit kernel, which divides the 4 GB of memory address space into 2 GB
for user mode processes such as applications and games, and the
remaining 2 GB for the kernel and system cache. Basically no
application or game can allocate more than 2 GB of memory all at the
same time because of this design decision. There is a special /3GB
switch that you can put into the

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