When I launch the game, it only shows the little window and then it closes. I verified my files and redownloaded twice yet still nothing works.I tried the generic fixes like compatibility change but it doesn't do anything.

Here is the entirety of the log:

* Detected CPU: AuthenticAMD , F15/M8/S2, 3194.00 mhz, 32-clk 'rdtsc'
* CPU Features: RDTSC, MMX, SSE, SSE2

Initializing File System...
using fs-ltx fsgame.ltx
--found external arch mp_military_2.xdb0
FS: 30265 files cached, 5345Kb memory used.
Init FileSystem 1.252600 sec
'xrCore' build 3312, Feb 27 2008

Initializing Engine...
Executing config-script "user.ltx"...

FATAL ERROR

[error]Expression : sz<(tgt_sz-1)
[error]Function : IReader::r_string
[error]File : E:\stalker\sources\trunk\xrCore\FS.cpp
[error]Line : 349
[error]Description : Dest string less than needed.


stack trace:

Your user.ltx file is corrupted. Go to your game folder > _appdata_ folder and delete user.ltx.