Не запускается Steam версия S.T.A.L.K.E.R Clear Sky

Я запускаю игру и вылетает fatal eror
Initializing File System...
using fs-ltx fsgame.ltx
FS: 27358 files cached 33 archives, 4769Kb memory used.
Init FileSystem 1.247554 sec
'xrCore' build 3795, Jun 25 2009

Initializing Engine...
Starting INPUT device...
Loading DLL: xrRender_R2.dll
Loading DLL: xrRender_R3.dll
refCount:m_pAdapter 1
command line -r2a
Loading DLL: xrRender_R1.dll
Loading DLL: xrGame.dll
! Unable to find InstallUserName entry in registry
! Player name registry key (InstallUserName) not found !
* [win32]: free[4035540 K], reserved[54888 K], committed[103812 K]
* [ D3D ]: textures[0 K]
* [x-ray]: crt heap[8710 K], process heap[2214 K], game lua[0 K], render[0 K]
* [x-ray]: economy: strings[4082 K], smem[0 K]
SOUND: OpenAL: enumerate devices...
SOUND: OpenAL: EnumerationExtension Present
devices Generic Hardware
SOUND: OpenAL: system default SndDevice name is Generic Hardware
SOUND: OpenAL: default SndDevice name set to Generic Software
SOUND: OpenAL: All available devices:
1. Generic Software, Spec Version 1.1 (default) eax[0] efx[no] xram[no]
2. Generic Software, Spec Version 1.1 (default) eax[0] efx[no] xram[no]
Executing config-script "user.ltx"...

FATAL ERROR

[error]Expression : sz<(tgt_sz-1)
[error]Function : IReader::r_string
[error]File : E:\priquel\sources\engine\xrCore\FS.cpp
[error]Line : 422
[error]Description : Dest string less than needed.


stack trace:

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